Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Schlick, D.P.

An evaluation of the respirable dust sampling program in United States underground coal mines (BM-TPR 32) Schlick, D.P. - Washington Bureau of mines 1971

Subjects--Topical Terms:
VENTILACION EN LA MINA
POLVO EN LA MINA

Universal Decimal Class. No.: 622.4