*0011729651 *008990113s1997 xx# 000 0 eng *019 $bk *08230$a531.4 *100 $aJostad, Hans Petter$_168514600 *245 $aBifurcation analysis of frictional materials *300 $a[7] s. : ill. *520 $aOpptrykk fra: Proceedings of the 5th international symposium on numerical models in geomechanics, NUMOG V, Davos, 1995 *700 $aNordal, Steinar$_137362500 *773 $tPublikasjon / Norges geotekniske institutt$gnr 199 (1997)$x0078-1193$w(NO-LaBS)529319(tnr) *999 $z9900244806$anorart:9900244806 ^