@article{wang:041302,
	title = {Friction and relative energy dissipation in sheared granular materials},
	author = {Wan-Jing Wang and Xiang-Zhao Kong and Zhen-Gang Zhu},
	journal = {Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)},
	number = {4},
	pages = {041302},
	publisher = {APS},
	url = {http://link.aps.org/abstract/PRE/v75/e041302},
	volume = {75},
	year = {2007},
	biburl = {http://www.bibsonomy.org/bibtex/2a6becf09dab38a200e63fd64d404f9ee/andreab},
	eid = {041302}, collaboration = {}, numpages = {8},
	keywords = {dissipation experiment friction granular pendulum physics shear stick-slip }
}