TY - JOUR T1 - Absence of 14C in PM2.5 Emissions from Gasohol Combustion in Small Engines JF - Aerosol Science and Technology Y1 - 2006 A1 - Lewis, C. W. A1 - Volkens, J. A1 - Braddock, J. N. A1 - Crews, W. S. A1 - Lonneman, W. A. A1 - McNichol, A. P. N1 - id: 1699 ER -