00271nam a2200109Ia 4500082002600000100002900026245003200055260004800087300001600135500000500151700000500156  a309.59091732bH526.UT  aHensher, David A. d ed.  aUrban transport economicsb  aCambridgebCambridge University Pressc1977  aviii, 277p.  a  a