000 | 003820000a22001090004500 | ||
---|---|---|---|
245 | _aResearch on the interrelationships between costs of highw construction, maintenance and utilization : final report vol. 1 : summary of the ICR research | ||
110 | _aUnited Nations Development Programme | ||
260 |
_a[s.l.] _a[s.n.] _c1981 |
||
300 | _axi, 75p. | ||
041 | _aEN | ||
942 | _cRR | ||
999 |
_c45679 _d45679 |