Pickering, R. J. Distribution of radionuclides in bottom sediment of the clinch river Eastern Tennessee / by R. J. Pickering. -- Washington : United States Government Printing Office, 1969 - 25 p. -- (Geological Survey Professional Paper ; 433-H). Subjects--Topical Terms: RadiactividadRadionúclidosTennessee Universal Decimal Class. No.: 539.163(768)