Enzyme actions and properties, by Ernst Waldschmidt Leitz ... translated and extended by Robert P. Walton ... Waldschmidt-Leitz, Ernst, 1894- Walton, Robert P. (Robert Petrie), 1905- ed. and tr. Enzymes. QP601 .W18 574.19 WAE Bibliographical foot-notes. New York, J. Wiley & Sons, Inc.; London, Chapman & Hall, Limited, 1929. 1929. 1929 Text xviii, 255 p. eng eng und