Document Number: 251 |
Full Record |
Main Title |
Desalination of Brackish Groundwater |
Author |
Gesalman, Claire M. ;
|
Publisher |
[S.n.], |
Year Published |
1977 |
Report Number |
EPA/001/R-77/106 |
OCLC Number |
276287151 |
Subjects |
Groundwater--Pollution ;
Water quality management ;
Water--Purification
|
Additional Subjects |
Desalination ;
Brackish water ;
Dissolved solids ;
Aquifers ;
Water treatment ;
Sodium ;
Mineralized water ;
Membrane technology ;
Potable water
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EKBD |
EPA-001/R-77-106 |
|
Research Triangle Park Library/RTP, NC |
12/01/2008 |
|
Collation |
7 pages : ill. ; 28 cm. |
|
Document Number: 252 |
Full Record |
Main Title |
Descriptions of anisotropy and heterogeneity and their effect on ground-water flow and areas of contribution to public supply wells in a karst carbonate aquifer system / |
Author |
Knochenmus, Lari A.
|
Other Authors |
|
Publisher |
U.S. G.P.O. ; For sale by the U.S. Geological Survey, Branch of Information Services, |
Year Published |
1996 |
OCLC Number |
37019696 |
ISBN |
0607862181; 9780607862188 |
Subjects |
Anisotropy ;
Groundwater flow--Florida--Tampa Bay Region ;
Water-supply--Florida--Tampa Bay Region ;
Aquifers--Florida--Tampa Bay Region
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
ELBM |
TC801.U2 no.2475 |
|
AWBERC Library/Cincinnati,OH |
04/21/2020 |
|
Collation |
iv, 47 pages : illustrations, maps ; 28 cm |
|
Document Number: 253 |
Full Record |
Main Title |
Design and Performance of Single-Well Tracer Tests at the Mobile Site. |
Author |
Molz, F. J. ;
Melville, J. G. ;
Gueven, O. ;
Crocker, R. D. ;
Matteson, K. T. ;
|
CORP Author |
Auburn Univ., AL. Dept. of Civil Engineering.;Robert S. Kerr Environmental Research Lab., Ada, OK. |
Year Published |
1985 |
Report Number |
EPA/600/J-85/294; |
Stock Number |
PB86-164878 |
Additional Subjects |
Aquifers ;
Dispersing ;
Water wells ;
Field tests ;
Experimental design ;
Observation wells ;
Sampling ;
Advection ;
Bromides ;
Permeability ;
Recovery ;
Performance evaluation ;
thickness ;
Mixing ;
Trends ;
Diagrams ;
Conductivity ;
Reprints ;
Tracer studies
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB86-164878 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
9p |
|
Document Number: 254 |
Full Record |
Main Title |
Design guidelines for conventional pump-and-treat systems / |
Author |
Cohen, R. M. ;
Mercer, J. W. ;
Greenwald, R. M. ;
Beljin, M. S.
|
Other Authors |
|
CORP Author |
GeoTrans, Inc., Sterling, VA.;National Risk Management Research Lab., Ada, OK. Subsurface Protection and Remediation Div. |
Year Published |
1997 |
Report Number |
EPA/540-S-97-504; EPA-68-C4-0031 |
Stock Number |
PB98-115389 |
OCLC Number |
38734537 |
Subjects |
Groundwater--Purification
|
Additional Subjects |
Ground water ;
Water treatment ;
Water pollution control ;
Remediation ;
Extraction ;
Pumping ;
Water wells ;
Containment ;
Aquifers ;
Hydraulic conductivity ;
Injection wells ;
Design analysis ;
Guidelines ;
Pump and treat ;
Cleanup operations
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EHAD |
EPA/540-S-97-504 |
|
Region 1 Library/Boston,MA |
12/04/1998 |
EJBD |
EPA 540-S-97-504 |
|
Headquarters Library/Washington,DC |
05/22/1998 |
ELBD ARCHIVE |
EPA 540-S-97-504 |
In Binder Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
ELBD |
EPA 540-S-97-504 |
|
AWBERC Library/Cincinnati,OH |
07/17/1998 |
EMBD |
EPA/540/S-97/504 |
|
NRMRL/GWERD Library/Ada,OK |
12/28/2001 |
NTIS |
PB98-115389 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
38 pages : illustrations ; 28 cm |
|
Document Number: 255 |
Full Record |
Main Title |
Design, performance, and analysis of slug tests |
Author |
Butler, James J.
|
Publisher |
Lewis, |
Year Published |
1998 |
OCLC Number |
37400819 |
ISBN |
1566702305 (alk. paper) |
Subjects |
Groundwater flow--Measurement ;
Aquifers--Measurement ;
Wells--Testing
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EMBM |
GB1197.7.B88 1998 |
|
NRMRL/GWERD Library/Ada,OK |
01/15/1999 |
ESAM |
GB1197.7.B88 1998 |
|
Region 10 Library/Seattle,WA |
07/17/1998 |
|
Collation |
252 p. : ill. ; 25 cm. |
|
Document Number: 256 |
Full Record |
Main Title |
Designated sole source aquifers national fact sheet with designated aquifers and pending petitions listed. |
CORP Author |
Environmental Protection Agency, Washington, DC. Office of Ground Water and Drinking Water. |
Publisher |
U.S. Environmental Protection Agency, Office of Water ; |
Year Published |
1994 |
Stock Number |
PB95-166955 |
Subjects |
Groundwater--United States ;
Drinking water--United States
|
Additional Subjects |
United States ;
Ground water ;
Drinking water ;
Water pollution abatement ;
Water supply ;
Potable water ;
Environmental impact assessments ;
Environmental impacts ;
Public facilities ;
Federal programs ;
Assistance programs ;
Region analysis ;
Sole source aquifers ;
Safe Drinking Water Act
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB95-166955 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
16 p. : 1 map ; 28 cm. |
|
Document Number: 257 |
Full Record |
Main Title |
Designated sole source aquifers nationally : fact sheet with designated aquifers and pending petitions listed / |
CORP Author |
Environmental Protection Agency, Washington, DC. Office of Ground Water and Drinking Water. |
Publisher |
U.S. Environmental Protection Agency, Office of Water ; Available from the National Technical Information Service, |
Year Published |
1994 |
Stock Number |
PB95-166955 |
OCLC Number |
31398784 |
Subjects |
Groundwater--United States ;
Drinking water--United States
|
Additional Subjects |
United States ;
Ground water ;
Drinking water ;
Water pollution abatement ;
Water supply ;
Potable water ;
Environmental impact assessments ;
Environmental impacts ;
Public facilities ;
Federal programs ;
Assistance programs ;
Region analysis ;
Sole source aquifers ;
Safe Drinking Water Act
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJBD |
EPA 810-F-94-004 |
|
Headquarters Library/Washington,DC |
07/22/2010 |
ELBD ARCHIVE |
EPA 810-F-94-004 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
ELBD RPS |
EPA 810-F-94-004 |
repository copy |
AWBERC Library/Cincinnati,OH |
09/24/2018 |
NTIS |
PB95-166955 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
14 unnumbered leaves : 1 map ; 28 cm |
|
Document Number: 258 |
Full Record |
Main Title |
Designation of sole source aquifers : fact sheet. |
Publisher |
Environmental Protection Agency, Office of Ground-Water Protection, |
Year Published |
1987 |
Report Number |
EPA 800-F-87-103 |
OCLC Number |
1139748402 |
Subjects |
Groundwater ;
Aquifers
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJBD |
EPA 800-F-87-103 |
|
Headquarters Library/Washington,DC |
02/12/2020 |
|
Collation |
1 pamphlet ; 22 cm |
|
Document Number: 259 |
Full Record |
Main Title |
Detection of a Microbial Consortium, Including Type 2 Methanotrophs, by Use of Phospholipid Fatty Acides in an Aerobic Halogenated Hydrocarbon-Degrading Soil Column Enriched with Natural Gas. |
Author |
Nichols, P. D. ;
Henson, J. M. ;
Antworth, C. P. ;
Parsons, J. ;
Wilson, J. T. ;
|
CORP Author |
Florida State Univ., Tallahassee. Dept. of Biological Science.;Robert S. Kerr Environmental Research Lab., Ada, OK. |
Year Published |
1987 |
Report Number |
EPA-R-809994; EPA/600/J-87/040; |
Stock Number |
PB87-203386 |
Additional Subjects |
Bacteria ;
Deterioration ;
Halohydrocarbons ;
Soils ;
Water pollution ;
Fatty acids ;
Concentration(Composition) ;
Methane ;
Detection ;
Soil analysis ;
Aquifers ;
Monitoring ;
Reprints ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB87-203386 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
12p |
|
Document Number: 260 |
Full Record |
Main Title |
Determination of hydraulic characteristics and yield of aquifers underlying Vekol Valley, Arizona, using several classical and current methods |
Author |
Marie, James R.
|
Other Authors |
|
Publisher |
U.S. G.P.O. ; |
Year Published |
1996 |
OCLC Number |
34658651 |
Subjects |
Hydraulics--Arizona--Vekol Valley ;
Aquifers--Arizona--Vekol Valley ;
Groundwater flow--Arizona--Vekol Valley
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
ELBM |
TC801.U2 no.2453 |
|
AWBERC Library/Cincinnati,OH |
04/17/2020 |
|
Collation |
iv, 63 p. : ill., maps ; 28 cm. |
|
Document Number: 261 |
Full Record |
Main Title |
Determination of TDS content of deep aquifers by geophysical well log analysis |
Publisher |
The Agency, |
Year Published |
1984 |
OCLC Number |
29995921 |
Subjects |
Aquifers--Indiana ;
Water chemistry
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJBM |
GB857.2.I6D4 1984 |
|
Headquarters Library/Washington,DC |
07/27/2007 |
|
Collation |
1 v. (various pagings) : ill., maps ; 28 cm. |
|
Document Number: 262 |
Full Record |
Main Title |
Determination of the Total Storage Capacity of the Cretaceous Sandstone Aquifers in South Dakota. |
Author |
Grie, J. P. ;
Sio, W. J. ;
Bake, R. K. ;
|
CORP Author |
South Dakota School of Mines and Technology, Rapid City. Dept. of Geology and Geological Engineering. |
Year Published |
1973 |
Report Number |
DI-14-31-0001-3842; OWRR-A-031-SDAK; 01114,; A-031-SDAK(1) |
Stock Number |
PB-225 122 |
Additional Subjects |
( South Dakota ;
Aquifers) ;
( Ground water ;
South Dakota) ;
Sandstones ;
Water storage ;
Porosity ;
Well logging ;
Dakota formation ;
Fall River formation ;
Lakota formation ;
Newcastle formation
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-225 122 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
18p |
|
Document Number: 263 |
Full Record |
Main Title |
Determining porosity with neutron logs from Hawaiian basaltic aquifers / |
Author |
Peterson, Frank L.,
|
Other Authors |
|
Publisher |
Water Resources Research Center, University of Hawaii, |
Year Published |
1974 |
OCLC Number |
02121213 |
Subjects |
Porosity ;
Radiation well logging ;
Basalt--Hawaii ;
Aquifers--Hawaii
|
Additional Subjects |
Porosity ;
Geophysical well logging ;
Basalt--Hawaii ;
Aquifers--Hawaii
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EMBD |
HI WRRC TR No.80 |
|
NRMRL/GWERD Library/Ada,OK |
01/21/1994 |
ERAM |
TC1.H36 no. 80 |
|
Region 9 Library/San Francisco,CA |
01/01/1988 |
|
Collation |
vi, 37 pages : illustrations ; 28 cm. |
|
Document Number: 264 |
Full Record |
Main Title |
Deterministic and Stochastic Analyses of Dispersion in an Unbounded Stratified Porous Medium. |
Author |
Gueven, O. ;
Molz, F. J. ;
|
CORP Author |
Auburn Univ., AL. Dept. of Civil Engineering.;Robert S. Kerr Environmental Research Lab., Ada, OK. |
Year Published |
1986 |
Report Number |
EPA-R-810704-03; EPA/600/J-86/267; |
Stock Number |
PB87-166856 |
Additional Subjects |
Solutes ;
Dispersing ;
Stratification ;
Ground water ;
Hydraulic conductivity ;
Mathematical models ;
Stochastic processes ;
Fluid flow ;
Aquifers ;
Three dimensional flow ;
Porosity ;
Reprints ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB87-166856 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
11p |
|
Document Number: 265 |
Full Record |
Main Title |
Development and Application of Borehole Flowmeters for Environmental Assessment. |
Author |
Molz, F. J. ;
Young, S. C. ;
|
CORP Author |
Auburn Univ., AL. Dept. of Civil Engineering. ;Tennessee Valley Authority, Norris. Engineering Lab.;Robert S. Kerr Environmental Research Lab., Ada, OK. |
Publisher |
c1993 |
Year Published |
1993 |
Report Number |
EPA/600/J-93/134; |
Stock Number |
PB93-185817 |
Additional Subjects |
Boreholes ;
Flowmeters ;
Hydraulic conductivity ;
Aquifers ;
Measurement ;
Well logging ;
Prototypes ;
Rocks ;
Fracture zones ;
Electromagnetic properties ;
Faraday effect ;
Reprints ;
Spinner flowmeters
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB93-185817 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
13p |
|
Document Number: 266 |
Full Record |
Main Title |
Development of a System to Protect Groundwater Threatened by Hazardous Spills on Land. |
Author |
Huibregtse, K. R. ;
Kastman, K. H. ;
|
CORP Author |
Rexnord, Inc., Milwaukee, WI.;Municipal Environmental Research Lab., Cincinnati, OH. |
Year Published |
1981 |
Report Number |
EPA-68-03-2508; EPA-600/2-81-085; |
Stock Number |
PB81-209587 |
Additional Subjects |
Aquifers ;
Hazardous materials ;
Ground water ;
Water supply ;
Land use ;
Protection ;
Grout ;
Containment ;
Construction ;
Mobile equipment ;
Waste treatment ;
Gravel ;
Sands ;
Silts ;
Detoxification ;
Soils ;
Water pollution control ;
Spills ;
Land ;
NTISEPAORD
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB81-209587 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
143p |
|
Document Number: 267 |
Full Record |
Main Title |
Development of Systems for Ground Water Recharge Into the Ogallala Formation. |
Author |
Dvorace, Marvin J. ;
Peterso, Sam H. ;
|
CORP Author |
Texas Tech Univ., Lubbock. Water Resources Center. |
Year Published |
1971 |
Report Number |
WRC-71-4; DI-14-01-0001-1949; OWRR-B-041-TEX; 12245; B-041-TEX(6) |
Stock Number |
PB-202 630 |
Additional Subjects |
( Ground water recharge ;
Texas) ;
( Aquifers ;
Ground water recharge) ;
Water supply ;
Removal ;
Agricultural economics ;
Filtration ;
Hydrogeology ;
Ogallala Formation ;
Artificial recharge
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-202 630 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
42p |
|
Document Number: 268 |
Full Record |
Main Title |
Diffusion and Dispersion in Porous Media - Salt Water Mounds in Coastal Aquifers. |
Author |
Kashe, Abdel-Aziz I. ;
|
CORP Author |
North Carolina Water Resources Research Inst., Raleigh. |
Year Published |
1968 |
Report Number |
11; DI-14-01-0001-1401; OWRR-A-007-NC; 02495,; A-007-NC(5) |
Stock Number |
PB-214 367 |
Additional Subjects |
( Salt water intrusion ;
Aquifers) ;
Coasts ;
Mathematical models ;
Hydraulic models ;
Water wells ;
Subsurface drainage ;
Hydrology ;
Diffusion ;
Soil properties ;
Hydrodynamics ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-214 367 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
272p |
|
Document Number: 269 |
Full Record |
Main Title |
Digital computer model for predicting regional aquifer response, |
Author |
Knowles, Tommy R.
|
Other Authors |
|
Publisher |
Texas Tech University, Water Resources Center} |
Year Published |
1971 |
OCLC Number |
00632265 |
Subjects |
Groundwater flow--Mathematical models ;
Aquifers--Mathematical models
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJBM |
TD224.T4 T422 no. 71-7 1971 |
|
Headquarters Library/Washington,DC |
08/11/2015 |
|
Collation |
v, 129 l. illus. 28 cm. |
|
Document Number: 270 |
Full Record |
Main Title |
Digital Computer Modeling of Limestone Groundwater Systems. |
Author |
Thrailkil, John ;
Beite, David P. ;
|
CORP Author |
Kentucky Water Resources Inst., Lexington. |
Year Published |
1972 |
Report Number |
RR-50; DI-14031-0001-3217; OWRR-A-030-KY; 14001,; A-030-KY(1) |
Stock Number |
PB-212 054 |
Additional Subjects |
( Aquifers ;
Digital simulation) ;
( Kentucky ;
Aquifers) ;
Ground water ;
Limestone ;
Mathematical models ;
FORTRAN ;
Computer programs ;
Flow distribution ;
KLAM computer program ;
FORTRAN 4 programming language
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB-212 054 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
106p |
|
Document Number: 271 |
Full Record |
Main Title |
Digital computer simulation model of the Englishtown aquifer in the northern Coastal Plain of New Jersey / |
Author |
Nichols, William D., ;
Nichols, W. D.
|
CORP Author |
United States. Geological Survey.; New Jersey. Division of Water Resources. |
Publisher |
U.S. Geological Survey, |
Year Published |
1977 |
OCLC Number |
03726422 |
Subjects |
Water-supply--New Jersey--Mathematical models ;
Aquifers--New Jersey--Mathematical models ;
Groundwater--New Jersey--Mathematical models ;
Aquifers--Mathematical models ;
Groundwater--Mathematical models ;
Water-supply--Mathematical models
|
Additional Subjects |
Computer Models ;
Englishtown Aquifer
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EIAD |
I 19.42/4 77-73 |
|
Region 2 Library/New York,NY |
01/01/1988 |
STATUS |
|
Collation |
ix, 101 pages : illustrations, maps ; 26 cm. |
|
Document Number: 272 |
Full Record |
Main Title |
Digital ground-water model of the Ogallala Aquifer in parts of Washington and Yuma Counties, northern High Plains of Colorado |
Author |
Kapple, G. W.
|
Other Authors |
|
Publisher |
The Board, |
Year Published |
1976 |
OCLC Number |
04498333 |
Subjects |
Aquifers--Colorado--Washington County--Mathematical models ;
Aquifers--Colorado--Yuma County--Mathematical models ;
Aquifers--Colorado--Washington County--Data processing ;
Aquifers--Colorado--Yuma County--Data processing ;
Ogallala Aquifer--Data processing
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EOAD |
#00002554 |
|
Region 8 Technical Library/Denver,CO |
02/15/2002 |
|
Collation |
iv, 25 p. : ill. ; 28 cm. |
|
Document Number: 273 |
Full Record |
Main Title |
Digital model of the Ogallala aquifer of the northern part of the northern high plains of Colorado by Richard R. Luckey and Warren E. Hofstra. |
Author |
Luckey, Richard R.
|
Other Authors |
|
Publisher |
Colorado Water Conservation Board, |
Year Published |
1974 |
OCLC Number |
09142058 |
Subjects |
Aquifers--Colorado
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EOAD |
#00002544a |
|
Region 8 Technical Library/Denver,CO |
02/15/2002 |
|
Collation |
ii, 22 p. : ill., maps (some col.) ; 28 cm. |
|
Document Number: 274 |
Full Record |
Main Title |
Digital model of the Piney Point aquifer in Kent County, Delaware |
Author |
Leahy, P. Patrick.
|
Publisher |
State of Delaware, |
Year Published |
1979 |
OCLC Number |
06667852 |
Subjects |
Aquifers--Delaware--Kent Co--Mathematical models ;
Aquifers--Delaware--Kent Co--Data processing ;
Water, Underground--Delaware--Kent Co ;
Kent County (Del)
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJAM |
GB1025.D3L223 |
|
Region 3 Library/Philadelphia, PA |
08/10/1991 |
|
Collation |
81 p. : ill. ; 29 cm. |
|
Document Number: 275 |
Full Record |
Main Title |
Digital model of the unconfined aquifer in central and southeastern Delaware |
Author |
Johnston, Richard H.
|
Publisher |
State of Delaware, University of Delaware, Delaware Geological Survey, |
Year Published |
1977 |
OCLC Number |
04497929 |
Subjects |
Aquifers--Delaware--Mathematical models ;
Aquifers--Delaware--Data processing
|
Internet Access |
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
EJAM |
GB1025.D3J624 |
2 cys |
Region 3 Library/Philadelphia, PA |
06/29/1991 |
|
Collation |
viii, 47 p. (6 fold.) : ill. ; 28 cm. |
|