| 000 | 00951cam a2200193 i 4500 | ||
|---|---|---|---|
| 020 | _a0309028213 | ||
| 082 | 0 | 0 |
_a625.735 _bNAT |
| 245 | 0 | 0 |
_aInvestigation and development of materials resources = _cInvestigación y desarrollo de recursos de materiales = Investigation et développement des gisements de matériaux routiers. |
| 260 |
_aWashington : _bTransportation Research Board, Commission on Sociotechnical Systems, National Research Council, National Academy of Sciences, _c1979. |
||
| 300 |
_axxiv, 220 p. : _bill. ; _c28 cm. |
||
| 500 | _a"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." | ||
| 500 | _aIncludes index. | ||
| 526 |
_a0 _b0 _c0 _d625_735000000000000_NAT |
||
| 650 | 0 |
_aMCE _9379 |
|
| 650 | 0 |
_aRoad materials _zDeveloping countries. _943711 |
|
| 650 | 0 |
_aRoads _zDeveloping countries _xSurveying. _943712 |
|
| 710 | 2 |
_aNational Research Council (U.S.). _920017 |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c547525 _d547525 |
||