Commission of the European Communities. (1979). New coal upgrading processes: Information symposium : Luxembourg, 26 to 28 September, 1979. Colliery Guardian.
Chicago Style (17th ed.) CitationCommission of the European Communities. New Coal Upgrading Processes: Information Symposium : Luxembourg, 26 to 28 September, 1979. Redhill, Surrey, [England]: Colliery Guardian, 1979.
MLA (9th ed.) CitationCommission of the European Communities. New Coal Upgrading Processes: Information Symposium : Luxembourg, 26 to 28 September, 1979. Colliery Guardian, 1979.
Warning: These citations may not always be 100% accurate.