397474 Osterwald, F. W., Maberry, J. O., & Dunrud, C. R. (1981). Bedrock, surficial, and economic geology of the sunnyside coal mining district, Carbon and Emery Counties, Utah. Washington : U S Govt Printing Office.
芝加哥风格引文397474 Osterwald, Frank W., John O. Maberry, 与 C. Richard Dunrud. Bedrock, Surficial, and Economic Geology of the Sunnyside Coal Mining District, Carbon and Emery Counties, Utah. Washington : U S Govt Printing Office, 1981.
MLA引文397474 Osterwald, Frank W., et al. Bedrock, Surficial, and Economic Geology of the Sunnyside Coal Mining District, Carbon and Emery Counties, Utah. Washington : U S Govt Printing Office, 1981.
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