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Message * Dvenadt︠s︡atoe Mezhvuzovskoe Koordinat︠s︡ionnoe Soveshchanie Po Probleme Ėrozionnykh, Ruslovykh i Ustʹevykh Prot︠s︡essov : (G. Permʹ, 23-25 Centi︠a︡bri︠a︡ 1997 G.), Kratkie Soobshchenii︠a︡ - 579440020X - 9785794400205