APA

Cosyns J., Torck B., Institut Francais du Pétrole I., World Petroleum Congress (14th : 1994 : Stavanger), Torck B. & Institut Francais du Pétrole I.Upgrading ethylene plant coproducts. : .

Chicago

Cosyns J, Torck B, Institut Francais du Pétrole IFP, World Petroleum Congress (14th : 1994 : Stavanger), Torck B and Institut Francais du Pétrole IFP.Upgrading ethylene plant coproducts. : .

Harvard

Cosyns J., Torck B., Institut Francais du Pétrole I., World Petroleum Congress (14th : 1994 : Stavanger), Torck B. and Institut Francais du Pétrole I.Upgrading ethylene plant coproducts. : .

MLA

Cosyns J, Torck B, Institut Francais du Pétrole IFP, World Petroleum Congress (14th : 1994 : Stavanger), Torck B and Institut Francais du Pétrole IFP.: . .