000 00331 a2200121 4500
082 _a380.5
_bPET
100 _aPegrum, Dudley. F.
_981986
245 _aTransportation economics and public policy
_cPegrum, Dudley. F.
260 _aGeorgetown:
_bIrwin-Dorsey,
_c1971
300 _a680p.
650 _aTransportation
_981987
942 _cBK
999 _c57750
_d57750