Grimm, O.A. (1876). [The Caspian Sea and its fauna] [part 1 of 2] In Russian: Kaspiskoje morje i ego fauna. Also as: Kaspijskoe more i ego fauna. [book 1] [In German: Das Kaspische Meer und seine Fauna]. Proceedings of the Aral-Caspian expedition [Trudi Aralo-Kaspiisko Expeditii] (also as Ekspeditsii) [Berichte der Aralo-kaspischen Expedition]. Supplement to the Proceedings of the St. Petersburg Society of Naturalists. 2: 1—168., http://aonb.astranet.ru/kk/pdf/bx000000358.pdfАрхивная копия от 4 февраля 2023 на Wayback Machine page(s): 33
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Grimm, O.A. (1877). [The Caspian Sea and its fauna] [part 2 of 2] In Russian: Kaspiskoje morje i ego fauna. Also as: Kaspijskoe more i ego fauna. [book 2] [In German: Das Kaspische Meer und seine Fauna]. Proceedings of the Aral-Caspian expedition [Trudi Aralo-Kaspiisko Expeditii] (also as Ekspeditsii) [Berichte der Aralo-kaspischen Expedition]. Supplement to the Proceedings of the St. Petersburg Society of Naturalists. 2: 1—105, plates I—IX., https://books.google.com/books?id=LikHAQAAIAAJАрхивная копия от 15 января 2024 на Wayback Machine page(s): 33
Grimm, O.A. (1876). [The Caspian Sea and its fauna] [part 1 of 2] In Russian: Kaspiskoje morje i ego fauna. Also as: Kaspijskoe more i ego fauna. [book 1] [In German: Das Kaspische Meer und seine Fauna]. Proceedings of the Aral-Caspian expedition [Trudi Aralo-Kaspiisko Expeditii] (also as Ekspeditsii) [Berichte der Aralo-kaspischen Expedition]. Supplement to the Proceedings of the St. Petersburg Society of Naturalists. 2: 1—168., http://aonb.astranet.ru/kk/pdf/bx000000358.pdfАрхивная копия от 4 февраля 2023 на Wayback Machine page(s): 33
Grimm, O.A. (1877). [The Caspian Sea and its fauna] [part 2 of 2] In Russian: Kaspiskoje morje i ego fauna. Also as: Kaspijskoe more i ego fauna. [book 2] [In German: Das Kaspische Meer und seine Fauna]. Proceedings of the Aral-Caspian expedition [Trudi Aralo-Kaspiisko Expeditii] (also as Ekspeditsii) [Berichte der Aralo-kaspischen Expedition]. Supplement to the Proceedings of the St. Petersburg Society of Naturalists. 2: 1—105, plates I—IX., https://books.google.com/books?id=LikHAQAAIAAJАрхивная копия от 15 января 2024 на Wayback Machine page(s): 33