Dryden, Charles E. Outlines of chemical technology / Charles E. Dryden ; edited by M. Gopala Rao and Marshall Sittig. - 2nd ed. - New Delhi : Affiliated East-West Press, 1973. - xv, 640 p. : ill. ; 25 cm. Includes Index. 337 337 Subjects--Topical Terms: Chemical engineering. Dewey Class. No.: 660 / D848o