Ski mountaineering: observations on individuals over age 65 at altitudes of 10000–12000 ft (3000–3500 m)
Whittaker, Richard P., Reigner, Rick, Winter, FredVolume:
4
Year:
1993
Language:
english
DOI:
10.1580/0953-9859-4.1.110
File:
PDF, 714 KB
english, 1993