C. D. Walsh, Schrlau, J., and Simonich, S. L. Massey,
“Development and Use of a Method for the Determination of Polycyclic Aromatic Hydrocarbon and Organochlorine Pesticide Concentrations in Freshly Fallen Snow”,
Polycyclic Aromatic Compounds, vol. 35, no. 1, pp. 57 - 73, 2015.