00249nam a2200109Ia 4500008004100000041000800041082002200049100001500071245003600086260000900122300000800131211209s1979    xx            000 0 und d  aeng  a620.3 N79 SHA/ANI  aSHARMA C S  aMECHANICAL VIBRATIONS ANALYSIS   c1979  a179