E. P. Boryskina, M. A. Semenov, T. V. Bolbukh, L. B. Sukhodub, L. F. Sukhodub, and V. Y. Maleev, “Influence of mineralization on hydration and structural state of collagen”, Bioph. Bull., vol. 1, no. 18, pp. 5-13, Jun. 2007.