Highway and bridge maintenance : operation, costs and modeling  
Highway research board.  
 - Washington, D.C :  National research council,  1973. 
 - v, 62 p.:  ill.;  25 cm. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>MCE
<br/><br/><label>Dewey Class. No.: </label>388.11  / NAT