| 000 | 01084cam a2200193 i 4500 | ||
|---|---|---|---|
| 020 | _a030902997X | ||
| 082 | 0 | 0 |
_a388.112 _bNAT |
| 110 | 2 |
_aNational Research Council (U.S.). _920017 |
|
| 245 | 1 | 0 |
_aDecision methodology for maintenance and upgrading : _bcosts, traffic, and benefits = Methodología de decisiones en la conservación y mejora : costos, transito y beneficios = Méthodologie de prise de décision en matière d'entretien et d'amelioration : coûts, trafic, et avantages / _cTransportation Research Board, Commission on Sociotechnical Systems, National Research Council. |
| 260 |
_aWashington : _bNational Academy of Sciences, _c1980. |
||
| 300 |
_axxxii, 211 p. : _bill. ; _c28 cm. |
||
| 500 | _a"Prepared under contract AID/OTR-C-1591, project 931-1116, U.S. Agency for International Development." | ||
| 500 | _aEnglish, French, or Spanish. | ||
| 526 |
_a0 _b0 _c0 _d388_112000000000000_NAT |
||
| 650 | 0 |
_aMCE _9379 |
|
| 650 | 0 |
_aRoads _zDeveloping countries _xMaintenance and repair. _920780 |
|
| 650 | 0 |
_aTransportation _zDeveloping countries. _938464 |
|
| 942 |
_2ddc _cBK |
||
| 999 |
_c543286 _d543286 |
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