The Literature

1. Berman A.Puteshestvija on skis., FiS, 1968.

2. A wind of wanderings, 1., FiS, 1965.

3. A wind of wanderings, 10., FiS, 1975.

4. A wind of wanderings, 12. M. FiS. 1977.

5. Lapidaries, Weizman, SHimanovsky Century Mountaineering., FiS, 1966.

6. Kolesnikov A.Turistskoe equipment., profizdat, 1968.

7. Obruchev S.Spravochnik of the traveller and the regional specialist. I., geografgiz, 1949.