| 000 | 00458nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110525.0 | ||
| 035 | _aF8901000703532 | ||
| 084 | _aHRB REC 30 1963 | ||
| 245 | _aCulverts and slope protection. 4 reports / Highway Research- Board | ||
| 260 | _aWashington, D.C. : HRB | ||
| 300 | _a55 p. | ||
| 440 | _aRecord ; 30 / Highway Research Board | ||
| 690 | _aTerraplenes - Pruebas. | ||
| 710 | _aNational Research Council. Highway Research Board (E.U.A.) | ||
| 999 |
_c55081 _d55081 |
||