TY  - JOUR
A1  - Abdel-Aziz, A M
A1  - Frey, H C
T1  - Development of hourly probabilistic utility NOx emission inventories using time series techniques: Part II—multivariate approach.
Y1  - 2003/12/
N1  - R826766
JF  - ATMOSPHERIC ENVIRONMENT
J1  - ATMOS ENVIRON
J2  - Atmos.Environ.
VL  - 37
IS  - 38
SP  - 5391
EP  - 5401
ER  - 


TY  - JOUR
A1  - Frey, H C
A1  - Zheng, J 
T1  - Probabilistic analysis of driving cycle-based highway vehicle emission factors.
Y1  - 2002/12/1
N1  - R826766
JF  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
J1  - ENVIRON SCI TECHNOL
J2  - Enviornmenal Research
J3  - ENVIRONMENTAL SCIENCE & TECHNOLOGY
VL  - 36
IS  - 23
SP  - 5184
EP  - 5191
ER  - 


TY  - JOUR
A1  - Frey, H C
A1  - Bammi, S 
T1  - Probabilistic nonroad mobile source emission factors.
Y1  - 2003/02/
N1  - R826790
N1  - R826766
JF  - JOURNAL OF ENVIRONMENTAL ENGINEERING
VL  - 129
IS  - 2
SP  - 162
EP  - 168
ER  - 


TY  - JOUR
A1  - Zhao, Y 
A1  - Frey, H C
T1  - Quantification of variability and uncertainty for censored data sets and application to air toxic emission factors.
Y1  - 2004/09/
N1  - R826790
N1  - R826766
JF  - RISK ANALYSIS
J1  - RISK ANAL
VL  - 24
IS  - 4
SP  - 1019
EP  - 1034
ER  - 


TY  - JOUR
A1  - Zheng, J 
A1  - Frey, H C
T1  - Quantification of variability and uncertainty using mixture distributions: evaluation of sample size, mixing weights, and separation between components.
Y1  - 2004/06/
N1  - R826790
N1  - R826766
JF  - RISK ANALYSIS
J1  - RISK ANAL
VL  - 24
IS  - 3
SP  - 553
EP  - 571
ER  - 


TY  - RPRT
A1  - Frey, H C
A1  - Zheng, J 
T1  - User's Guide for Analysis of Uncertainty and Variability in Emissions Estimation (AUVEE).
Y1  - 2000/09/
N1  - R826766
ER  -