| 000 | 00566nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110637.0 | ||
| 035 | _aF8901000710000 | ||
| 084 | _aTRB REC 939 1983 | ||
| 245 | _aTrack design and railroad electrification / Transportation -Research Board. | ||
| 260 | _aWashington, D.C. : TRB | ||
| 300 | _a54 p. | ||
| 440 | _aRecord ; 939 / Transportation Research Board | ||
| 690 | _aVias ferreas - Diseno.Vias ferreas - Pruebas.Vias ferreas - Mejoramiento.Vias ferreas - Electrificacion. | ||
| 710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
| 999 |
_c59815 _d59815 |
||