1. Agata, K. and Watanabe, K., Molecular and Cellular Aspects of Planarian Regeneration, Cell Devel. Biol., 1999, vol. 10, pp. 377–383.
2. Aizenshtadt, T.B., Tsitologiya oogeneza (Cytology of Oogenesis), Moscow: Nauka, 1984.
3. Akhmadieva, A.V., Morphofunctional Study of Stem Cells in Invertebrates with Reproductive Strategy Including a Sexual Reproduction, Extended Abstract of Cand. Sci. (Biol.) Dissertation, Vladivostok: Institut biologii morya, 2008.
4. Akhmadieva, A.V., Shulalyuk, A.I., and Isaeva, V.V., Interstitial Cells in Reproductive Strategy of Colonial Hydroid Obelia longissima, Mol. Biol. Cell., 2005, vol. 16, no. 11 suppl., p. 752a.
5. Akhmadieva, A.V., Shukalyuk, A.I., Aleksandrova, Ya.N., and Isaeva, V.V., Stem Cells in Asexual Reproduction of Colonial Ascidian Botryllus tuberatus, Biol. Morya, 2007, vol. 33, no. 2, pp. 134–137.