*0011696560 *008961209s1996 xx# 000 0 eng *019 $bk *08230$a551.3809981 *100 $aLiestøl, Olav$_163105600 *245 $aOpen-system pingos in Spitsbergen *300 $aS. [81]-84 : ill. *773 $tNorsk geografisk tidsskrift$gVol. 50, no. 1 (1996)$x0029-1951$w(NO-LaBS)280056(tnr) *8564 $uhttps://doi.org/10.1080/00291959608552355 *999 $z9600211702$anorart:9600211702 ^