Dryden, Charles. E. Outlines of chemical technology / Charles. E. Dryden, edited by M. Gopala Rao and Marshal Sittin - second ed. - New Delhi : Affiliated East-West Press, c1973. - xv, 640 p.: table, figs., ill.; 25 cm. English Subjects--Topical Terms: Chemistry, Technical. Dewey Class. No.: 660/DRD