TransliterationGeer, Osvald. Miotsenovaya flora ostrova Sakhalina. Vypusk 3. Trudy Sibirskoy ekspeditsii Russkogo Geograficheskogo obshchestva. Fizicheskiy otdel. Tom 3. Geologicheskaya chast.
In EnglishGeer, Oswald. Miocene flora of Sakhalin Island. Issue 3. Proceedings of the Siberian Expedition of the Russian Geographic Society. Physical Department. Volume 3. Geological Part. In Russian (ask us if in doubt)
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