%0 Generic %D 2004 %T Semi-Volatile Organic Compounds in Snow Collected at National Parks in the Western United States %A Hageman, K J %A Cambell, D H %A Glenn R Wilson %A Schmedding, D %A Usenko, S %A Staci M Simonich %B Fourth SETAC World Congress, Portland, OR %8 11/2004 %G eng