Gutfreund, H. Enzymes: physical principles [by] H. Gutfreund. - Wiley-Interscience London 1972 1972 - xii, 242 p.illus.24 cm. Bibliography: p. 229-232. ISBN: 0471337153 Subjects--Topical Terms: Enzymes.--QP LC Class. No.: QP601.G968