Biblioteca SEGEMAR Koha

Vista normal Vista MARC Vista ISBD

Methane control in eastern U.S. Coal mines. Proceedings of the symposium of the Bureau of mines/Industry Technology Transfer Seminar, Morgantown, W. Va., May 30-31, 1973 U.S. Bureau of mines. - Washington Bureau of mines. 1973

Subjects--Topical Terms:
MINERIA
VENTILACION

Universal Decimal Class. No.: 622.41