| 000 | 00477nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110540.0 | ||
| 035 | _aF8901000704614 | ||
| 084 | _aTRB REC 1241 1989 | ||
| 245 | _aRailroad transportation issues / Transportation Research Bo-ard. | ||
| 260 | _aWashington, D.C. : TRB | ||
| 300 | _a52 p. | ||
| 440 | _aRecord ; 1241 / Transportation Research Board | ||
| 690 | _aIngeniería ferroviaria. | ||
| 710 | _aNational Research Council. Transportation Research Board (E-.U.A.) | ||
| 999 |
_c56031 _d56031 |
||