*0011712559 *008971201s1997 xx# 000 0 nob *019 $bk *08230$a622.33 *100 $aAndreassen, Karin$_52061400 *245 $aGasshydrater i naturen$bopptreden og konsekvenser *300 $aS. 28-33 : ill. *773 $tNaturen$gÅrg. 121, nr 1 (1997)$x0028-0887$w(NO-LaBS)533618(tnr) *999 $z9700227705$anorart:9700227705 ^