APA

Elliott S. E., Mathieu P. G., World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) & Mathieu P. G.Probable future progress in seismic techniques. : .

Chicago

Elliott Sheldon E, Mathieu Paul G, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Mathieu Paul G.Probable future progress in seismic techniques. : .

Harvard

Elliott S. E., Mathieu P. G., World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Mathieu P. G.Probable future progress in seismic techniques. : .

MLA

Elliott Sheldon E, Mathieu Paul G, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Mathieu Paul G.: . .