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Shkolin |
2000 |
O nizhnekamennougol'nykh ammonoideyakh Podmoskovskogo Basseina. In: Zonal'nye podrazdeleniya karbona obshchei stratigraficheskoi shkaly Rossii. (In Russian).
Materialy Vserossiiskogo Sovechaniya [Zonal Carboniferous subdivisions of the General Stratigraphic Scale of Russia], p. 104-105, Ufa (Gilem).
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