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Benzol und Äthylen : Petrochemie in Westeuropa
Repenning, Klaus, (1969)
Oil refineries and petrochemical industries in Western Europe : buoyant past, uncertain future
Molle, Willem, (1984)
Petrochemical industries in developing countries : report of the Interregional Petrochemical Symposium on the Development of the Petrochemical Industries in Developing Countries, Baku, USSR, 21 - 31 October 1969
(1970)