Vasiliu, S., S. Racovita, V. Neagu, M. Popa, and J. Desbrieres. “Polymer-Metal Complexes Based on Gellan”. Polimery, vol. 55, no. 11-12, Dec. 2010, pp. 839-45, http://ichp.vot.pl/index.php/p/article/view/1072.