00289nam a2200109Ia 4500008004100000082002300041100001800064245003000082260004500112300001000157650001200167140113s9999    xx            000 0 und d  a577.15(047.1) H7.7  a"Nord, F. F."  aAdvances in enzmology v.7  b"London : Interscience publishers, 1947"  a665p.  aEnzymes