Gruse, W. A The Chemical technology of petroleum : published formerly as petroleum its products / W. A. Gruse and Donald R.Stevens - 2nd ed. - London : Mc- Graw-Hill, 1942. - xiii, 733 p. : ill. ; 23 cm. Includes index Subjects--Topical Terms: Petroleum Dewey Class. No.: 665.5 / GRC 1942