1. Abdaladze, O., Nakhutsrishvili, G., Akhalkatsi, M., & Smith, W. K. (2005). Treeline ecotone structure and some ecological features of Betula litwinowii in the central greater Caucasus. Proccessing of Georgian Acadamy Science, 3(2), 57–65.
2. Akhalkatsi, M., Abdaladze, O., Nakhutsrishvili, G., & Smith, W. K. (2004). Global warming effect on birch seedling establishment at tree line in the central Caucasus. Botanikertagung, Braunschweig, 386(05). https://books.google.ge/books/about/Botanikertagung_2004.html?id=4Md4zgEACAAJ&hl=en&output=html_text&redir_esc=y. Accessed 10 Sept 2004.
3. Akhalkatsi, M., Abdaladze, O., Nakhutsrishvili, G., & Smith, W. K. (2006). Facilitation of seedling microsites by rhododendron caucasicum extends the Betula litwinowii alpine treeline, Caucasus Mountains, Republic of Georgia. Arctic, Antarctic, and Alpine Research, 38(4), 481–488. https://doi.org/10.1657/1523-0430(2006)38
4. Akhalkatsi, M., Togonidze, N., Arabuli, G., Goginashvili, N., & Smith, W. K. (2018). Birch forest and rhododendron on north-facing slopes in central greater Caucasus. International Journal of Research Studies in Science, Engineering and Technology, 5(6), 14.
5. Akkemik, Ü., Seratok, B., & Akarsu, F. (2017). Distribution of Betula pendula during late quaternary to the present and characteristics of its lowest growing area in Turkey. Eurasian Journal of Forest Science, 5(2), 1–18. https://doi.org/10.3195/EJEJFS.351279