| Hollaus, O.R. Make yourself fit to ski : Conditioning Exercises for Skiers / By Otto R. Hollaus, Chief Instructor of the Sepp Ruschp Ski School, Stowe, Vt. ; With a foreword by Lowell Thomas and an introduction by Hannes Schneider. - New York: William Morrow & Company, 1942. - 43 с.: фот. |
Make yourself fit to ski
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