Popov, L. E.; Holmer, L. E.; Gorjansky, V. Ju. (1996). Middle Cambrian lingulate brachiopods from the Tarbagatay Range, Kazakhstan. Acta Palaeontologica Polonica. 41: 299-317.
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Popov, L. E.; Holmer, L. E.; Gorjansky, V. Ju.
1996
Middle Cambrian lingulate brachiopods from the Tarbagatay Range, Kazakhstan