00254nam a2200121Ia 4500008004100000041000800041082001600049100001400065245002500079250001100104260000900115300000800124211209s1978    xx            000 0 und d  aeng  a628 N78 HER  aHERBERT G  aCLASSICAL MECHANICS   a14 ed.  c1978  a399