Avalanche handbook /
Ronald I. Perla and M. Martinelli, jr.

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Viewability

Item Link Original Source
Full view   University of Virginia
Full view   no.489 The Ohio State University
Full view   no.489(1976) University of Illinois at Urbana-Champaign
Full view   no.489 (REVISED)(1978) University of Illinois at Urbana-Champaign