TY - JOUR A1 - Marmur, A A1 - Unal, A A1 - Mulholland, J A A1 - Russell, A G T1 - Optimization-based source apportionment of PM2.5 incorporating gas-to-particle ratios. Y1 - 2005/05/1 N1 - R829213 N1 - R831076 N1 - R832159 N1 - R830960 JF - ENVIRONMENTAL SCIENCE & TECHNOLOGY J1 - ENVIRON SCI TECHNOL J2 - ENVIRONMENTAL SCIENCE & TECHNOLOGY J3 - Enviornmenal Research VL - 39 IS - 9 SP - 3245 EP - 3254 ER - TY - JOUR A1 - Wade, K S A1 - Mulholland, J A A1 - Marmur, A A1 - Russell, A G A1 - Hartsell, B A1 - Edgerton, E A1 - Klein, M A1 - Waller, L A1 - Peel, J L A1 - Tolbert, P E T1 - Effects of instrument precision and spatial variability on the assessment of the temporal variation of ambient air pollution in Atlanta, Georgia. Y1 - 2006/06/ N1 - R829213 N1 - R832159 JF - JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION VL - 56 IS - 6 SP - 876 EP - 888 ER -