TY - JOUR A1 - Bowers, R M A1 - Clements, N A1 - Emerson, J B A1 - Wiedinmyer, C A1 - Hannigan, M P A1 - Fierer, N T1 - Seasonal variability in the bacterial and fungal diversity of the near-surface atmosphere. Y1 - 2013/11/5 N1 - R834552 N1 - R833744 VL - 47 IS - 21 SP - 12097 EP - 12106 ER - TY - JOUR A1 - Clements, N A1 - Piedrahita, R A1 - Ortega, J A1 - Peel, J L A1 - Hannigan, M A1 - Miller, A1 - S, L A1 - Milford, J B T1 - Characterization and nonparametric regression of rural and urban coarse particulate matter mass concentrations in Northeastern Colorado. Y1 - 2012/01/ N1 - R833744 VL - 46 IS - 1 SP - 108 EP - 123 ER - TY - JOUR A1 - Clements, N A1 - Eav, J A1 - Xie, M A1 - Hannigan, M P A1 - Miller, S L A1 - Navidi, W A1 - Peel, J L A1 - Schauer, J J A1 - Shafer, M M A1 - Milford, J B T1 - Concentrations and source insights for trace elements in fine and coarse particulate matter. Y1 - 2014/06/ N1 - R833744 VL - 89 SP - 373 EP - 381 ER - TY - JOUR T1 - Errors in coarse particulate matter mass concentrations and spatiotemporal characteristics when using subtraction estimation methods. Y1 - 2013/12/ N1 - R833744 VL - 63 IS - 12 SP - 1386 EP - 1398 ER -