Rock-fall Hazards in the Yosemite Valley.

WIECZOREK G.F. (1), MORRISSEY M.M. (2), IOVINE G. (3), GODT J. (2), 1998, Rock-fall Hazards in the Yosemite Valley., pp.1–13, 1998,
URL: http://www.cnr.it/prodotto/i/259823

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