J. Schrlau, Geiser, L., Hageman, K. J., Landers, D. H., and Simonich, S. L. Massey,
“Comparison of Lichen, Conifer Needles, Passive Air Sampling Devices, and Snowpack as Passive Sampling Media to Measure Semi-Volatile Organic Compounds in Remote Atmospheres”,
Environmental Science & Technology, vol. 45, no. 24, pp. 10354 - 10361, 2011.
S. Usenko, Simonich, S. L. Massey, Hageman, K. J., Schrlau, J., Geiser, L., Campbell, D. H., Appleby, P. G., and Landers, D. H.,
“Sources and Deposition of Polycyclic Aromatic Hydrocarbons to Western U.S. National Parks”,
Environmental Science & Technology, vol. 44, no. 12, pp. 4512 - 4518, 2010.