Bioorganic chemistry : a chemical approach to enzyme action / Hermann Dugas, Christopher Penney. Dugas, Hermann. Penney, Christopher, joint author. Enzymes. Bioorganic chemistry. Biochemistry. Enzymes Metabolism. QP601 .D78 574.192 DUB Includes bibliographical references and index. New York : Springer-Verlag, c1981. c1981. 1981 Text xii, 508 p. : eng Springer advanced texts in chemistry