000 00715cam a2200289 a 4500
001 000044541
005 20241013181405.0
008 920106t19531953xxuao r 001 0 eng d
035 _a085364
035 _aUIA0044541
040 _aUIASF
_cUIASF
041 0 _aENG
050 4 _aTF 200
_bH38
100 _aHay, William Walter
_d1908-
245 1 0 _aRailroad engineering /
_cWilliam W. Hay
260 _aNew York :
_bJohn Wiley,
_cc1953
300 _av. :
_bil., fotos ;
_c23 cm
500 _aIncluye apéndice e indice.
650 0 _aIngenierĂ­a ferroviaria.
905 _a01
942 _cNEWBFXC1
999 _c43942
_d43942
980 _8126340
_g ADMIN1
003 MX-MxUI