Flake and high crystalline graphite availability--market economy countries : a minerals availability appraisal /
by Catharine T. Fogg and Edward H. Boyle, Jr.
- [Washington, DC?] : U.S. Dept. of the Interior, Bureau of Mines, [1987]
- vi, 40 p. : ill.
- Information circular ; 9122 .
- Information circular (United States. Bureau of Mines) 9122. .