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Librovitch |
1939 |
Klass Golovonogie - Cephalopoda. Otriad Ammonoidea. In: Atlas rukovodiashchikh form iskopaemykh faun SSSR, tom 5. Srednii i verkhnii otdely kamennougol'noi sistemy.
Tsentralnii Nauchno-issledovatel'skii Geologo-razvedochnii Institut (TsNIGRI), p.134-141, fig.25-37, tabl.34, Leningrad.
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Popov |
1979 |
Kamennougol'nye ammonoidei Donbassa i ikh stratigraficheskoe znachenie.
Vsesoyuznyi ordena Lenina nauchno-issledovatel'skii geologicheskii institut, Trudy, novaia seriya, 220: 1-106, figs. 1-10, pl.1-12, Leningrad.
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