Treybal, Robert E. 1915- Liquid extraction/ Robert E. Treybal - New York: McGraw-Hill, 1951 - 422 p.; 23 cm. - McGraw - Hill series in chemical engineering . Includes index ISBN: $ 10.50 Subjects--Topical Terms: Mass transferChemical engineeringExtraction ( Chemistry) Dewey Class. No.: 660.28424