00407cam a2200169   450000500170000024500320001702000180004910000380006704400130010525000090011804100080012730000230013550000050015883000050016326000500016808200190021820260711133923.0  aResistencia de materialesb  a9789701510568  aPytel, AndrewSinger, Ferdinand L.  aMéxico  a4ª   aspa  a584 p. il.; 23 cm.  a  v  aMéxico D.F. bOxford University Pressc2011  a624.171bP999r