000			00397nam a22001457a 4500
020			_a0-309-03202-4
082			_a625.8 _bNAT _cD
100			_aT.R.B-N.A.S _943660
245			_aTransportation research record 788
260			_aThe World Bank _bWashington D.C _c1980
300			_aiv, 33 p. : _bill. : _c10 Cm
526			_a0 _b0 _c0 _d625_800000000000000_NAT
650			_aMCE _9379
942			_2ddc _cBK
999			_c547627 _d547627