Neve

Meteomont

http://www.cai-svi.it/j15/index.php?option=com_weblinks&view=category&id=3&Itemid=21

Valanghe

http://www.scialp.it/valanghe/valanghe.htm

http://www.scialp.it/valanghe/tecnica/rutschblock.pdf

http://www.usariem.army.mil/pages/download/harshenvironmentsvol1.pdf

http://blog.survivalcampingworld.com/winter-camping-for-beginners/

https://www.princeton.edu/~oa/winter/index.shtml

http://www.backpacking.net/wintertips.html

http://www.winterschool.org/WMS%20Student%20Handbook.pdf