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The foraminifera of the Upper Cretaceous deposits, in the Sotchi region.
| Keller, B.M. | |
| 1946 | |
| Soc. Nat. Moscou, Bull. | |
| The foraminifera of the Upper Cretaceous deposits, in the Sotchi region. |
Keller, B.M., 1946: The foraminifera of the Upper Cretaceous deposits, in the Sotchi region. Soc. Nat. Moscou, Bull., n, ser., v.51, no.3, p.83-108, pl.1-3.