00291nam a2200109Ia 4500008004100000082002400041100001800065245003100083260004500114300001000159650001200169140113s9999 xx 000 0 und d a577.15(047.1) J5.16 a"Nord, F. F." aAdvances in enzmology v.16 b"London : Interscience publishers, 1955" a584p. aEnzymes