000 00289nam a22001097a 4500
082 _a388.11
_bASI
_cD
110 _aWorld Bank Reprint Seies no 120
245 _aEngineering Economics of the Maintenance of Earth and Gravel Roads
260 _aWorld Bank
_c1986
300 _a8 p.:
942 _cBK
999 _c3311
_d3311