Geochemistry of niobium and tantalum
By: by Raymond L. Parker and Michael Fleischer.
Contributors: Fleischer, Michael, 1908- joint author.
Series: United States. Geological Survey. Professional paper; 612; Geological Survey professional paper ;; 612.
Publisher: U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 43
Subjects: Niobium.; Tantalum.
Notes: Includes bibliographies.