Natur im Lebenskampf
Subtitle: Ursprung und Anpassung in Tier- und Pflanzenwelt
By: Willi und Ursula Dolder.
Contributors: Dolder, Ursula, joint author.
Publisher: Orell Füssli
Published: 1977
Place of publication: Zürich
Language: ger
Number of pages: 180
Subjects: Natural history -- Pictorial works.