000			00376pab a2200145 454500
008			180718b1991 xxu||||| |||| 00| 0 eng d
100			_aPathak, M.G.
245			_aEconomics of bus and crew scheduling a basis for traffic planning
260			_c1991
300			_a11-22
362			_aApr.
650			_aTraffic
773			_aJournal of Transport Management
909			_a19834
999			_c19834 _d19834