Malec, J. (1992). Arenaceous foraminifera from Lower-Middle Devonian boundary beds of western part of the Góry Świętokrzyskie Mts. Annales Societatis Geologorum Poloniae. 62: 269-287.
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Malec, J.
1992
Arenaceous foraminifera from Lower-Middle Devonian boundary beds of western part of the Góry Świętokrzyskie Mts.