000			00321nam a22001337a 4500
020			_a0-309-03667-4
082			_a625.8 _bNAT _cD
100			_aT.R.B-N.R.C
245			_aTransportation research record 946
260			_aThe World Bank _bWashington D.C
300			_aiv, 55 p. : _bill. : _c10 Cm
650			_aMCE
942			_cBK
999			_c7923 _d7923