TY - BOOK ED - International Labour Office TI - Safety in coal mines T2 - I.L.O. Studies and reports, new ser. AV - HD7801 .I58 PY - 1953///-55 CY - Geneva PB - International Labour Office KW - Coal mines and mining KW - Safety measures KW - Coal mine accidents KW - Mine inspection N1 - Previous ed. issued in 1939 under title: Safety provisions for underground work in coal mines.; BIB; V. 1. Organisation on the national and international levels.-- V. 2. Legislation ER -