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Message * Biologicheskie i Gumanitarnye Resursy Razvitii︠a︡ Gornykh Regionov Materialy Mezhdunarodnoĭ Konferent︠s︡ii, 10-12 Senti︠a︡bri︠a︡ 2009 G. - 5904017197 - 9785904017194