000 002920000a22001210004500
245 _aEconomic appraisal of transport projects : a manual with case studies
100 _aAdler, H.A.
260 _aLondon
_c1971
300 _a205 p.
080 _a385/388
_bA3
041 _aEN
942 _cBK
999 _c106157
_d106157