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Message * Prirodnye Resursy, Ikh Sovremennoe Sostoi︠a︡nie, Okhrana, Promyslovoe i Tekhnicheskoe Ispolʹzovanie Ii Vserossiĭskai︠a︡ Nauchno-Prakticheskai︠a︡ Konferent︠s︡ii︠a︡, 15-18 Marta 2011 G. - 5328002377 - 9785328002370