Andre organiske stoffer
type: Concept
narrower: Petroleum
notation: 547.8

Petroleum
type: Concept
created: 2010-02-04
modified: 2012-09-24
alternative label: Petroleum--kjemi
broader: Andre organiske stoffer
in scheme: Norsk WebDewey
notation: 547.83

Norsk WebDewey
type: ConceptScheme