Waddams, A. Lawrence Chemicals from petroleum : An introductory survey / by A. Lawrence Waddams - 2nd ed. - New Delhi : The engilish language book society , 1970. - 244 p. Paper Back ISBN: 0719522056 Subjects--Topical Terms: ChemistryPetroleum Biochemistry Dewey Class. No.: 547.83 / LAW-C