00297nam a2200109Ia 4500008004100000022001800041040002500059082001700084100002600101245002600127260003400153240215s9999    xx            000 0 und d  a971-08-1493-1  aNORSU-DumcNORSU-Dum  a621.8/D74/C2  aDoughtie, Venton Levy 0aElements of Mechanism  bJohn Wiley & Sons, Inc.c1954