Vorlage:Zharkov et al., 1976
Aus WORLDFISH WIKI
- Zharkov, M.P., Glikman, L.S. & Kaplan, A.A. 1976. [On the age of the Paleogene of Kaliningrad region]. Proceedings of the USSR Academy of Science, Geological Series, 1: 132–134. [auf russisch]
