@article{piston,
	title = {Noise rectification and fluctuations of an asymmetric inelastic piston},
	author = {G Costantini and U Marini Bettolo Marconi and A Puglisi},
	journal = {Europhys. Lett.},
	pages = {50008},
	url = {http://www.iop.org/EJ/abstract/0295-5075/82/5/50008/},
	volume = {82},
	year = {2008},
	biburl = {http://www.bibsonomy.org/bibtex/2f2b73a09232065dc085ec6984cb700eb/andreapuglisi},
	keywords = {puglisi ratchet }
}