Treybal, Robert Ewald, 1915- Mass-transfer operations / Robert E. Treybal. - International Student Edition - New York : McGraw-Hill, c1955 - xiv, 666 p. : ill. ; 25 cm. - McGraw-Hill chemical engineering series . - McGraw-Hill chemical engineering series . Includes bibliographical references and index. Subjects--Topical Terms: Chemical engineering.Mass transfer. Dewey Class. No.: 660.28422 / TRM 1955