Hazards in mountaineering /
Paulcke, W.(Wilhelm),1873-1949.
Dumler, Helmut.
Bowman, Edward Noel.
London Kaye and Ward
1973
Translation of 'Gefahren der Alpen'. Neue Aufl./ von Helmut Dumler. München [Munich]: Rother, 1971. - Previous ed./ by Wilhelm Paulcke. 1933
Bibliography p.153-154. - Includes index
Mountaineering