*0011538242 *008890314s1988 xx# 000 0 eng *019 $bk *08230$a624.151 *100 $aBarton, Nick$_97063200 *245 $aPredicting the behaviour of underground openings in rock$cby Nick Barton *300 $aS. 1-21 *773 $tPublikasjon / Norges geotekniske institutt$gnr 172 (1988)$x0078-1193$w(NO-LaBS)529319(tnr) *999 $z8900105199$anorart:8900105199 ^