Author: Møller Christensen, Jørgen
Contributor: Larsen, Susanne
Contributor: Nyström, Bente Olesen
Publication year: 1979
Language: Swedish
Media class: Book
Category: Non-fiction
Publisher: W&W
ISBN: 91-46-13188-4
Series title: W&W naturserie
Extent: 119 s. ill.