@Article{nhess-3-491-2003,
AUTHOR = {Guzzetti, F. and Reichenbach, P. and Wieczorek, G. F.},
TITLE = {Rockfall hazard and risk assessment in the Yosemite Valley, California, USA},
JOURNAL = {Natural Hazards and Earth System Science},
VOLUME = {3},
YEAR = {2003},
NUMBER = {6},
PAGES = {491--503},
URL = {http://www.nat-hazards-earth-syst-sci.net/3/491/2003/},
ISSN = {1561-8633}
}