Symposium on the Gasification and Liquefaction of Coal <1979, Katowice, Poland>. (1980). Oils and gases from coal. Published for the United Nations by Pergamon Press.
Chicago-Zitierstil (17. Ausg.)Symposium on the Gasification and Liquefaction of Coal <1979, Katowice, Poland>. Oils and Gases from Coal. Oxford, Eng: Published for the United Nations by Pergamon Press, 1980.
MLA-Zitierstil (9. Ausg.)Symposium on the Gasification and Liquefaction of Coal <1979, Katowice, Poland>. Oils and Gases from Coal. Published for the United Nations by Pergamon Press, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.