%0 Journal Article %K Aethalometer delta-c %K Factorization (pmf) %K Molecular markers (mm) %K Particulate matter %K Positive matrix %K Source apportionment %A Yungang Wang %A Philip K Hopke %A Xiaoyan Xia %A Oliver V Rattigan %A David C Chalupa %A Mark J Utell %B Atmospheric Environment %D 2012 %P 525-532 %R 10.1016/j.atmosenv.2012.03.073 %T Source Apportionment of Airborne Particulate Matter using Inorganic and Organic Species as Tracers %V 55 %8 08/2012