Lettmetaller
type: Concept
notation: 553.492
narrower: Beryllium

Beryllium
type: Concept
notation: 553.4923
broader: Lettmetaller
alternative label: Beryllium--økonomisk geologi
created: 2010-02-04
in scheme: Norsk WebDewey
modified: 2012-10-22

Norsk WebDewey
type: ConceptScheme