APA

Vajta L., Rátosi E., Nagy S., Hungarian Oil and Gas Company, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Rátosi E., Nagy S. & Hungarian Oil and Gas Company.Energy conservation in refineries. : .

Chicago

Vajta L, Rátosi E, Nagy S, Hungarian Oil and Gas Company, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Rátosi E, Nagy S and Hungarian Oil and Gas Company.Energy conservation in refineries. : .

Harvard

Vajta L., Rátosi E., Nagy S., Hungarian Oil and Gas Company, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Rátosi E., Nagy S. and Hungarian Oil and Gas Company.Energy conservation in refineries. : .

MLA

Vajta L, Rátosi E, Nagy S, Hungarian Oil and Gas Company, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest), Rátosi E, Nagy S and Hungarian Oil and Gas Company.: . .