Norsk WebDewey
type: ConceptScheme

Niobforbindelser
notation: 546.5242
type: Concept
broader: Niob

Niob
alternative label: Columbium--kjemi
alternative label: Niob--kjemi
notation: 546.524
narrower: Niobforbindelser
type: Concept
broader: Vanadiumgruppen (gruppe 5)
in scheme: Norsk WebDewey
created: 2010-02-04
modified: 2013-02-18

Vanadiumgruppen (gruppe 5)
notation: 546.52
type: Concept
narrower: Niob