000 003260000a22001450004500
001 EST
003 624 / E53 / DEPOSITO
004 M
006 m
100 _aEngineering New Records
245 _aNew shortcuts to construction profits
068 _aEJEMPLAR DADO DE BAJA
650 _a<INGENIERIA CIVIL>
999 _c8660
_d8660