Niobforbindelser
type: Concept
component list: Niob
notation: 546.5242
broader: Niob
created: 2010-02-04
in scheme: Norsk WebDewey
modified: 2020-08-11

Norsk WebDewey
type: ConceptScheme

Niob
type: Concept
notation: 546.524
narrower: Niobforbindelser