*0011608829 *008930504s1993 xx# 000 0 nob *019 $bk *08230$a625.7 *100 $aMagerøy, Hallvard$_115455000 *245 $aBetong - fremtidens materiale for våre veier *300 $aS. 15-17 : ill. *773 $tKjemi$gÅrg. 53, nr 2 (1993)$x0023-1983$w(NO-LaBS)291541(tnr) *999 $z9300156457$anorart:9300156457 ^