Fatal mountaineer : the high-altitude life and death of Willi Unsoeld, American Himalayan legend /
Robert Roper.
- 1st ed.
- New York : St. Martin's Press, 2002.
- 306 p. : ill. ; 23 cm.
0312261535
2001048865
Unsoeld, William Francis, 1926- Unsoeld, William Francis, 1926- --Friends and associates.