Alibekov, L., S. Alibekova, I. Nazarov, and M. Gudalov. “About Some Regularities of Geosystems’ Degradation in Central Asia”. Oecologia Montana, Vol. 21, no. 1, June 2012, pp. 42-44, http://om.vuvb.uniza.sk/index.php/OM/article/view/237.