[2] He also edited the magazines Jakt-Fiske-Friluftsliv and Fjell og Vidde as well as the yearbook of the Norwegian Trekking Association.
[1] His 1964 release Naturvern has been called the first Norwegian book about the conservation of nature.
[2] His translation Verdens dyr ('Animals of the World'), from English to Norwegian in 1984, became an issue of dispute in 1992, when the publishing house J.W.
Cappelens Forlag and De norske Bokklubbene arranged for the making of a second edition.
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