*0011680840 *008961024s1981 xx# 000 0 nob *019 $bk *08230$a551.2 *100 $aHuseby, Sigurd$_137758300 *245 $aOm geotermisk energi, eller jordvarme *300 $aS.25-28 *773 $tNAGS-nytt$gÅrg.8, nr.1 (1981)$x0333-4481$w(NO-LaBS)617641(tnr) *999 $z9600035227$anorart:9600035227 ^