Olje, oljeskifer, tjæresand, naturgass
type: Concept
notation: 553.28
narrower: Naturgass

Naturgass
type: Concept
broader: Olje, oljeskifer, tjæresand, naturgass
in scheme: Norsk WebDewey
created: 2010-02-04
modified: 2015-03-03
alternative label: Gasser (brensel)--naturlig
alternative label: Naturgass--økonomisk geologi
notation: 553.285

Norsk WebDewey
type: ConceptScheme