007020000a22002530004500440002800000500002800028650001900056650001600075650001200091650001800103650001500121082001900136530000600155100001600161245007800177020001800255260003500273260000900308300001400317041000800331942000800339999001700347952008400364 aWBI development studies aBibliography: p.123-130 aTransportation aEnvironment aQuality aPrivatization aTransports a388bW893pcUN aM aCoelli, Tim aA primer on efficiency measurement for utilities and transport regulators a0-8213-5379-9 aWashington D.CbThe World Bank c2003 axii,134p. aEng cGEN c33312d33312 00104070aTUCLbTUCLd2010-06-20l0pUN20851r2010-06-20 00:00:00w2010-06-20