TY  - BOOK
AU  - Varnes,David J.
ED  - International Association of Engineering Geology.
TI  - Landslide hazard zonation: a review of principles and practice 
SN  - 9231018957 (pbk.)
U1  - 551.3/53�19 
PY  - 1984///
CY  - Paris
PB  - Unesco
KW  - Landslides
KW  - Slopes (Soil mechanics)
ER  -