| 000 | 00506nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110637.0 | ||
| 035 | _aF8901000710014 | ||
| 084 | _aTRB REC 953 1984 | ||
| 245 | _aRail papers 1984 / Transportation Research Board. | ||
| 260 | _aWashington, D.C. : TRB | ||
| 300 | _a81 p. | ||
| 440 | _aRecord ; 953 / Transportation Research Board | ||
| 690 | _aDurmientes (ferrocarriles) - Pruebas.Vías ferreas - Electrificación. | ||
| 710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
| 999 |
_c59828 _d59828 |
||