00258nam a2200109Ia 4500008004100000041000800041082002200049100001100071245004900082260000900131300000800140211209s1978    xx            000 0 und d  aeng  a620.1 N78 MEL/NEL  aMELEAN  aENGINEERING MECHANICS, STATICS AND DYNAMICS   c1978  a408