Everest, Lhotse : Schweizer am Everest 1952 und 1956 /
Oelz, Oswald,1943-
Schweizerischen Stiftung für Alpine Forschung.
Zürich : AS Verlag,
2006.
Includes bibliographical references (p. 159).
Mountaineering expeditions
Mountaineering expeditions
Mountaineering expeditions
Mountaineering expeditions
Mountaineers
Mountaineers