Sheldon, Richard P. 1923-
Geochemistry of Uranium in phosphorites and Black Shales of the Phosphoria formation / by Richard P. Sheldon. -- Washington : United States Government Printing Office, 1959 - P. 83-113. -- (Geological Survey Bulletin ; 1084-D).
Geoquímica
550.4
Geochemistry of Uranium in phosphorites and Black Shales of the Phosphoria formation / by Richard P. Sheldon. -- Washington : United States Government Printing Office, 1959 - P. 83-113. -- (Geological Survey Bulletin ; 1084-D).
Geoquímica
550.4