J-GLOBAL ID:201602008239729175   Reference number:58A0071493

A brief history of the progress of efficiency in South African collieries in the last seventy years.

Author (2):
Volume: 58  Issue: 10  Page: 485-509  Publication year: 1958 
JST Material Number: C0362A  ISSN: 2225-6253  CODEN: JSAMA   Document type: Article
Country of issue: South Africa (ZAF) 
Terms in the title (4):
Terms in the title
Keywords automatically extracted from the title.

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