Astat
type: Concept
created: 2010-02-04
modified: 2012-09-18
broader: Halogener (gruppe 17)
in scheme: Norsk WebDewey
notation: 546.735

Halogener (gruppe 17)
type: Concept
narrower: Astat
notation: 546.73

Norsk WebDewey
type: ConceptScheme