Soldrevne motorer
type: Concept
notation: 621.473
broader: Solenergiteknikk
created: 2010-02-04
in scheme: Norsk WebDewey
modified: 2015-05-22

Solenergiteknikk
type: Concept
notation: 621.47
narrower: Soldrevne motorer

Norsk WebDewey
type: ConceptScheme