00304    a2200121   450000100040000000500170000408200220002110000180004324500660006126400280012730000190015552600080017450320260413152545.0  aCD 621 S8641 20171 a3G E-Learning  aStochastic process in mechanical engineering /c3G E-Learning 1a b3G E-Learning;c2017  a1 Compact disc  aNPM