00279nam a22000977a 4500082002600000245004100026260003700067300002800104526003700132650001200169  a388.413220973bNATcD  aUrban buses: Planning and operations  aWashingtonbThe world bankc1983  a48 p. :bill, ;c24 cm.  a0b0c0d388_413220973000000_NAT  aMCE (D)