Methane emission from U.S. coal mines in 1975 :
a survey : a supplement to Information circulars 8558 and 8659 /
by M.C. Irani [and others].
APA Citation
Irani, M. C., United States. Bureau of Mines. (1977). Methane emission from U.S. coal mines in 1975: a survey : a supplement to Information circulars 8558 and 8659. [Washington]: Dept. of the Interior, Bureau of Mines.
MLA Citation
Irani, M. C, and United States. Bureau of Mines. Methane Emission From U.S. Coal Mines In 1975: a Survey : a Supplement to Information Circulars 8558 And 8659. [Washington]: Dept. of the Interior, Bureau of Mines, 1977.
Warning: These citations may not always be complete (especially for serials).