1. JBS/EPA Workshop on Standard Reference Materials for Oil-Shale Environmental Concerns;Poulson,1975
2. Report from the Symposium on Analytical Chemistry of Tar Sands and Oil Shale (Comparison with Coal and Petroleum), American Chemical SOciety, New Orleans Meeting;Fruchter,1977
3. Source Characterization Studies at the Paraho Semiworks Oil Shale Retort;Fruchter;Pacific Northwest Laboratory report PNL-2945,1979
4. Incidence of Cancer in Population with Exceptional Exposure to Metals;Hernberg,1977
5. Carcinogenic Effects of Metals;Sunderman,1978