| 000 | 00457cam a22001457a 4500 | ||
|---|---|---|---|
| 008 | 180718b1991 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aX6 H362 | ||
| 100 | _aHeggie, Ian G. | ||
| 245 |
_aOptimal user charges and cost recovery for roads in developing countries _cby Ian G. Heggie and Vincy Fon |
||
| 260 |
_aWashington, D.C. _bIBRD _c1991 |
||
| 300 | _a50p. | ||
| 440 | _aIBRD. Working Papers: WPS 780 | ||
| 650 | _aRoads | ||
| 700 | _aFon, Vincy, jt. auth. | ||
| 999 |
_c226911 _d226911 |
||