Chalkogener (gruppe 16)
type: Concept
narrower: Oksygen
notation: 546.72

Oksygen
type: Concept
created: 2010-02-04
modified: 2012-09-18
alternative label: Oksygen--kjemi
broader: Chalkogener (gruppe 16)
in scheme: Norsk WebDewey
narrow match: c004633
notation: 546.721

Norsk WebDewey
type: ConceptScheme