Pecora, W. T. (1966). Geological Survey Research 1966: Significant results of investigations for fiscal year 1966, accompanied by short papers in the fields of geology, hydrology, and related sciences. U.S. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Pecora, Wiliam T. Geological Survey Research 1966: Significant Results of Investigations for Fiscal Year 1966, Accompanied by Short Papers in the Fields of Geology, Hydrology, and Related Sciences. Washington: U.S. Government Printing Office, 1966.
MLA-Zitierstil (9. Ausg.)Pecora, Wiliam T. Geological Survey Research 1966: Significant Results of Investigations for Fiscal Year 1966, Accompanied by Short Papers in the Fields of Geology, Hydrology, and Related Sciences. U.S. Government Printing Office, 1966.