Nelson, Wilbur Lundine. Petroleum refinery engineering / Wilbur Lundine Nelson. - 4th ed. - New York : McGraw-Hill, 1958. - 960 p. : illus. ; 22 cm. - McGraw-Hill series in chemical engineering. . Subjects--Topical Terms: Petroleum --Refining.------ Dewey Class. No.: 665.5 NEL