Gutknecht, W., J. Flanagan, A. McWilliams, R. K. M. Jayanty, R. Kellogg, J. Rice, P. Duda, and R. H. Sarver (2010), Harmonization of uncertainties of x-ray fluorescence data for PM2.5 air filter analysis, J. Air Waste Manage. Assoc., 60, 184-194.
Gutknecht, W., J. Flanagan, A. McWilliams, R. K. M. Jayanty, R. Kellogg, J. Rice, P. Duda, and R. H. Sarver (2010), Harmonization of uncertainties of x-ray fluorescence data for PM2.5 air filter analysis, J. Air Waste Manage. Assoc., 60, 184-194.