TY  - BOOK
AU  - Perla,Ronald I.
AU  - Martinelli,M.
TI  - Avalanche handbook
PY  - 1976///
CY  - [Washington]
PB  - U.S. Dept. of Agric. Agric. Hanndb.
KW  - Avalanches
KW  - Handbooks, manuals, etc
N1  - Includes index; Bibliography: p. 231-233
ER  -