Methane emission from U.S. coal mines in 1973, a survey:  a supplement to IC 8558. by Meherwan C. Irani, P.W. Jeran and Maurice Deul
Contributors: Jeran, P.W.; Deul, M.
Publisher: U.S. Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 47
Notes: 11