Carbonizing properties of Perry County, Ky., coals /
by G.W. Birge and D.E. Wolfson.
APA Citation
Birge, G. W., Wolfson, D. E. (David E.). (1962). Carbonizing properties of Perry County, Ky., coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Birge, George W, and D. E. (David E.) Wolfson. Carbonizing Properties of Perry County, Ky., Coals. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1962.
Warning: These citations may not always be complete (especially for serials).