(1976). Information Symposium on high-output coal winning districts: Luxembourg, from 29th September to 1st October 1976. Luxembourg: Commission of the European Communities.
Παραπομπή Chicago StyleInformation Symposium On High-output Coal Winning Districts: Luxembourg, From 29th September to 1st October 1976. Luxembourg: Commission of the European Communities, 1976.
Παραπομπή MLAInformation Symposium On High-output Coal Winning Districts: Luxembourg, From 29th September to 1st October 1976. Luxembourg: Commission of the European Communities, 1976.
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