Biblioteca SEGEMAR

Vista normal Vista MARC Vista ISBD

Armstrong, F.E.

Tests for analysing the incombustible content of coal mine dust using instruments employing a gamma ray backscatter technique (BM-TPR 64) Armstrong, F.E. - Washington Bureau of mines 1973

Subjects--Topical Terms:
POLVO EN LA MINA
CONTROL DE POLVO EN LA MINA
MINAS DE CARBON

Universal Decimal Class. No.: 622.807