01251nas0 22003013i 450 RMS010223520251003044344.020140828b19631973||||0itac50 baengusa|u||||||||z01i xxxe z01nHighway research recordN. 1 (1963)-n. 479 (1973)WashingtonNational research council, Highway research board1963-1973v.25 cm001RMS01022312001 BulletinHighway Research Board001PUV00290992001 Transportation research recordjournal of the Transportation Research BoardHRRCAG2051688National research council : Highway research boardSBLV054621National research council : Division of engineering and industrial research : Highway research boardSBNV006650National research council : Highway research boardNational research council <Stati Uniti> : Transportation research boardAQ1V005496National research council : Highway research boardITIT-00000020140828RMS0102235 01Highway research record103266UNISANNIO