000 00339pab a2200145 454500
008 180718b1991 xxu||||| |||| 00| 0 eng d
100 _aDutta, P.
245 _aPrivate bus options
260 _c1991
300 _a33-6
362 _aFeb.
650 _aMotor Transportation
773 _aJournal of Transport Management
909 _a14174
999 _c14174
_d14174