@article {5121,
	title = {The designability of protein structures},
	journal = {Journal of Molecular Graphics and Modelling},
	year = {2001},
	pages = {157-167},
	doi = {10.1016/S1093-3263(00)00137-6},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/11381527},
	author = {Robert Helling and Hao Li and R{\'e}gis M{\'e}lin and Jonathan Miller and Ned Wingreen and Chen Zeng and Chao Tang}
}
