00638nam0 2200217 450 991037345770332120200228104330.020200228d1992----km y0itay50 baengDE 001yySecond international symposium on road surface characteristicsBerlinTechnische Universitat Berlin1992646 p.26 cmITUNINAREICATUNIMARCBK9910373457703321CC7/641091DINTRDINTRSecond international symposium on road surface characteristics1733712UNINA