TY  - JOUR
A1  - Duhl, T R
A1  - Helmig, D 
A1  - Guenther, A 
T1  - Sesquiterpene emissions from vegetation: a review.
Y1  - 2008/05/14
N1  - R831079
JF  - BIOGEOSCIENCES DISCUSSIONS
VL  - 5
IS  - 3
SP  - 761
EP  - 777
ER  - 


TY  - JOUR
A1  - Duhl, T R
A1  - Guenther, A 
A1  - Helmig, D 
T1  - Estimating urban vegetation cover fraction using Google Earth® images.
Y1  - 2012/09/
N1  - R831079
JF  - JOURNAL OF LAND USE SCIENCE
VL  - 7
IS  - 3
SP  - 311
EP  - 329
ER  - 


TY  - JOUR
A1  - Helmig, D 
A1  - Ortega, J 
A1  - Guenther, A 
A1  - Herrick, J D
A1  - Geron, C 
T1  - Sesquiterpene emissions from loblolly pine and their potential contribution to biogenic aerosol formation in the Southeastern US.
Y1  - 2006/07/
N1  - R831079
JF  - ATMOSPHERIC ENVIRONMENT
J1  - ATMOS ENVIRON
J2  - Atmos.Environ.
VL  - 40
IS  - 22
SP  - 4150
EP  - 4157
ER  - 


TY  - JOUR
A1  - Helmig, D 
A1  - Ortega, J 
A1  - Duhl, T 
A1  - Tanner, D 
A1  - Guenther, A 
A1  - Harley, P 
A1  - Wiedinmyer, C 
A1  - Milford, J 
A1  - Sakulyanontvittaya, T 
T1  - Sesquiterpene emissions from pine trees—identifications, emission rates and flux estimates for the contiguous United States.
Y1  - 2007/03/1
N1  - R831079
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J1  - ENVIRON SCI TECHNOL
J2  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J3  - Enviornmenal Research
VL  - 41
IS  - 5
SP  - 1545
EP  - 1553
ER  - 


TY  - JOUR
A1  - Ortega, J 
A1  - Helmig, D 
A1  - Guenther, A 
A1  - Harley, P 
A1  - Pressley, S 
A1  - Vogel, C 
T1  - Flux estimates and OH reaction potential of reactive biogenic volatile organic compounds (BVOCs) from a mixed northern hardwood forest.
Y1  - 2007/08/
N1  - R831079
JF  - ATMOSPHERIC ENVIRONMENT
J1  - ATMOS ENVIRON
J2  - Atmos.Environ.
VL  - 41
IS  - 26
SP  - 5479
EP  - 5495
ER  - 


TY  - JOUR
A1  - Ortega, J 
A1  - Helmig, D 
T1  - Approaches for quantifying reactive and low-volatility biogenic organic compound emissions by vegetation enclosure techniques--Part A.
Y1  - 2008/06/
N1  - R831079
JF  - CHEMOSPHERE
J1  - CHEMOSPHERE
VL  - 72
IS  - 3
SP  - 343
EP  - 364
ER  - 


TY  - JOUR
A1  - Ortega, J 
A1  - Helmig, D 
A1  - Daly, R W
A1  - Tanner, D M
A1  - Guenther, A B
A1  - Herrick, J D
T1  - Approaches for quantifying reactive and low-volatility biogenic organic compound emissions by vegetation enclosure techniques-Part B: Applications.
Y1  - 2008/06/
N1  - R831079
VL  - 72
IS  - 3
SP  - 365
EP  - 380
ER  - 


TY  - JOUR
A1  - Pollmann, J 
A1  - Ortega, J 
A1  - Helmig, D 
T1  - Analysis of atmospheric sesquiterpenes: sampling losses and mitigation of ozone interferences.
Y1  - 2005/12/
N1  - R831079
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J1  - ENVIRON SCI TECHNOL
J2  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J3  - Enviornmenal Research
VL  - 39
IS  - 24
SP  - 9620
EP  - 9629
ER  - 


TY  - JOUR
A1  - Sakulyanontvittaya, T 
A1  - Guenther, A 
A1  - Helmig, D 
A1  - Milford, J 
A1  - Wiedinmyer, C 
T1  - Secondary Organic Aerosol from Sesquiterpene and Monoterpene Emissions in the United States.
Y1  - 2008/12/1
N1  - R831079
VL  - 42
IS  - 23
SP  - 8784
EP  - 8790
ER  - 


TY  - JOUR
A1  - Sakulyanontvittaya, T 
A1  - Duhl, T 
A1  - Wiedinmyer, C 
A1  - Helmig, D 
A1  - Matsunaga, S 
A1  - Potosnak, M 
T1  - Monoterpene and Sesquiterpene Emission Estimates for the United States.
Y1  - 2008/03/1
N1  - R831079
VL  - 42
IS  - 5
SP  - 1623
EP  - 1629
ER  -