1.

図書
図書
1. The challenge of rock and mountain climbing. 3rd ed (: pbk.)
Ruth & John Mendenhall ; illustrated by Valerie P. Cohen
出版情報: Harrisburg, Pa. : Stackpole Books, c1983
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2.

図書
図書
2. A manual for basic mountaineering and technical climbing. [1st ed.] (: pbk.)
by John W. Walker
出版情報: [Laramie, WY.] : [Jelm Mountain Press], c1984
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