@article{Cocho2003,
	title = {Replication ratchets: polymer transport enhanced by complementarity},
	author = {G. Cocho and A. Cruz and G. Mart{\'i}nez-Mekler and R. Salgado-Garc{\'i}a},
	day = {01},
	journal = {Physica A: Statistical Mechanics and its Applications},
	month = {Sep},
	number = {1-2},
	pages = {151--156},
	url = {http://www.sciencedirect.com/science/article/B6TVG-48YVMCJ-3/1/71c551157cd267782c421c4601614a0b},
	volume = {327},
	year = {2003},
	biburl = {http://www.bibsonomy.org/bibtex/2ef32efabc92a83c3a88bafa8e7d904ee/smicha},
	description = {Physica A},
	keywords = {Molecular machines }
}