Norway : government and political institutions

North Pole groundwater study.

Bald eagles in Alaska

Bears are dangerous

Birds, observed and collected by “De Nederlandse Spitsbergen Expeditie” in west and east Spitsbergen, 1967 and 1968-69; second part

Arctic Station

National needs and arctic research : a framework for action

A river for the taming : megaplans in the great Stikine wilderness

Notes for a statement to the standing committee on national resources and public works. April 11th, 1973

Notes sur le périglaciaire du Spitzberg