Nilova, N. V. (1965). Brachiopods of the Karaespinsk horizon. In:. Stratigraphy of the lower Paleozoic and Silurian deposits of central Kazakhstan. VSEGEI Izdatel. Nedra Leningrad: 91-111, 3 plates.
505120
Nilova, N. V.
1965
Brachiopods of the Karaespinsk horizon. In:
Stratigraphy of the lower Paleozoic and Silurian deposits of central Kazakhstan