Treybal, Robert E. Mass-transfer operations / Robert E. Treybal. - New York : McGraw-Hill, c 1955. - 666 p. : ill. ; 24 cm. - McGraw-Hill chemical engineering series . Includes index. 311 311 Subjects--Topical Terms: Mass transferChemical engineering Dewey Class. No.: 660.2842 / T729m