Author: Mezhdunarodnai︠a︡ konferent︠s︡ii︠a︡ "Gori︠u︡chie slant︠s︡y--alʹternativnyĭ istochnik topliva i syrʹi︠a︡, fundamentalʹnye issledovanii︠a︡, opyt i perspektivy" (2007 Saratov, Russia)