Phase transition in polypeptides: a step towards the understanding of protein folding A. V. Yakubovich, I. A. Solov'yov, A. V. Solov'yov and W. Greiner Eur. Phys. J. D, 40 3 (2006) 363-367 Published online: 08 November 2006 DOI: 10.1140/epjd/e2006-00241-9