@article{Cates1998,
	title = {Stress propagation in sand},
	author = {M. E. Cates and J. P. Wittmer},
	day = {01},
	journal = {Physica A: Statistical and Theoretical Physics},
	month = {Feb},
	number = {1-4},
	pages = {276--284},
	url = {http://www.sciencedirect.com/science/article/B6TVG-3T02YJ9-1C/1/acc976d121d8bf3c49a63ee1d1e96c3c},
	volume = {249},
	year = {1998},
	biburl = {http://www.bibsonomy.org/bibtex/27c3976f3e8ecc775b297c4b27276d1da/smicha},
	description = {Physica A},
	keywords = {imported }
}