Improved methods for vehicle countin and determining vehicle miles of travel 

 - Washigton.:  The World Bank  1982 
 - vi, 130 p, :  ill, :  24 Cm 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MC
<br/><br/><label>Dewey Class. No.: </label>388.3142  / IMP