Author: Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡  konferent︠s︡ii︠a︡ "Problemy sokhranenii︠a︡ ėkosistemy Kaspii︠a︡ v uslovii︠a︡kh osvoenii︠a︡ neftegazovykh mestorozhdeniĭ" (2nd 2007 Astrakhanʹ, Russia)