Phase transitions in polypeptides: analysis of energy fluctuationsA. V. Yakubovich, I. A. Solov'yov, A. V. Solov'yov and W. GreinerEur. Phys. J. D, 51 1 (2009) 25-32DOI: https://doi.org/10.1140/epjd/e2008-00126-y