Fotonfremdrift
type: Concept
created: 2010-02-04
modified: 2013-11-01
broader: Fremdriftssystemer
in scheme: Norsk WebDewey
notation: 629.4754

Fremdriftssystemer
type: Concept
narrower: Fotonfremdrift
notation: 629.475

Norsk WebDewey
type: ConceptScheme