APA

Holighaus R., Niemann K., VEBA OEL AG (Alemania), World Petroleum Congress (14th : 1994 : Stavanger), Niemann K. & VEBA OEL AG (Alemania).Post consumer plastic wastes -prospects for a new refinery and petrochemical feedstock. : .

Chicago

Holighaus Rolf, Niemann Klaus, VEBA OEL AG (Alemania), World Petroleum Congress (14th : 1994 : Stavanger), Niemann Klaus and VEBA OEL AG (Alemania).Post consumer plastic wastes -prospects for a new refinery and petrochemical feedstock. : .

Harvard

Holighaus R., Niemann K., VEBA OEL AG (Alemania), World Petroleum Congress (14th : 1994 : Stavanger), Niemann K. and VEBA OEL AG (Alemania).Post consumer plastic wastes -prospects for a new refinery and petrochemical feedstock. : .

MLA

Holighaus Rolf, Niemann Klaus, VEBA OEL AG (Alemania), World Petroleum Congress (14th : 1994 : Stavanger), Niemann Klaus and VEBA OEL AG (Alemania).: . .