Helling R, Li H, Mélin R, Miller J, Wingreen N, Zeng C, Tang C. The designability of protein structures. Journal of Molecular Graphics and Modelling [Internet]. 2001;(1):157-167. 访问链接
Li H, Tang C, Wingreen NS. Are protein folds atypical?. Proceedings of the National Academy of Sciences of the United States of America [Internet]. 1998;(9):4987-4990. 访问链接