000			00392nam a22001457a 4500
020			_a0-309-03809-X
082			_a625.8 _bNAT _cD
100			_aT.R.B-N.R.C. _943663
245			_aTransportation research record No 1000
260			_aThe World Bank _bWashington D.C
300			_a54 p. : _bill. : _c10 Cm
526			_a0 _b0 _c0 _d625_800000000000000_NAT
650			_aMCE _9379
942			_2ddc _cBK
999			_c547620 _d547620