1. Ariunchimeg, Ya., Stratigraphic and paleogeographic distribution of the Upper Ordovician bryozoans of Mongolia, Paleontol. J., 2009, vol. 43, no. 11, pp. 1432–1438.
2. Ariunchimeg, Ya., Paleozoic bryozoans of Mongolia (diversity and distribution), Extended Abstract of Doctoral (Geol.–Mineral.) Dissertation, Moscow: PIN, 2010.
3. Astrova, G.G., Siluriiskie mshanki tsentral’noi i zapadnoi Tuvy (The Silurian Bryozoa of Central and Western Tuva), Tr. Paleontol. Inst. Akad. Nauk SSSR, vol. 79, Moscow: Akad. Nauk SSSR, 1959.
4. Astrova, G.G., Order Trepostomata, in Osnovy paleontologii. Mshanki, brakhiopody (Fundamentals of Paleontology: Bryozoans and Brachiopods), Moscow: Akad. Nauk SSSR, 1960, pp. 57–71.
5. Astrova, G.G., Morfologiya, istoriya razvitiya i sistema ordovikskikh i siluriiskikh mshanok (Morphology, Developmental History, and Taxonomic System of Ordovician and Silurian Bryozoans), Tr. Paleontol. Inst. Akad. Nauk SSSR, vol. 106, Moscow: Nauka, 1965.