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

Norsk WebDewey
type: ConceptScheme

Selen
narrower: Selenforbindelser
notation: 546.724
type: Concept
created: 2010-02-04
modified: 2012-09-18
broader: Chalkogener (gruppe 16)
in scheme: Norsk WebDewey
alternative label: Selen--kjemi

Selenforbindelser
notation: 546.7242
type: Concept
broader: Selen