1. Barton, I., Király, G., Czimber, K., Hollaus, M., and Pfeifer, N., Treefall gap mapping using Sentinel-2 images, Forests, 2017, vol. 8, no. 11, p. 426. https://doi.org/10.3390/f8110426
2. Bastin, J.F., Berrahmouni, N., Grainger, A., Maniatis, D., Mollicone, D., Moore, R., Patriarca, C., Picard, N., Sparrow, B., Abraham, E.M., Aloui, K., Atesoglu, A., Attore, F., Bassullu, C., Bey, A., Garzuglia, M., Garcia-Montero, L.G., Groot, N., Guerin, G., Laestadius, L., Lowe, A.J., Mamane, B., Marchi, G., Patterson, P., Rezende, M., Ricci, S., Salcedo, I., Diaz, A.S.-P., Stolle, F., Surappaeva, V., and Castro, R., The extent of forest in dryland biomes, Science, 2017, vol. 356, no. 6338, pp. 635–638. https://doi.org/10.1126/science.aam6527
3. Bobrovsky, M.V., Kozel’skie zaseki (ekologo-istoricheskii ocherk) (Kozelskie Zaseki (Ecological and Historical Essay)). Kaluga: Izd. N. Bochkarevoi, 2002.
4. Bobrovsky, M.V. and Khanina, L.G., Kaluzhskie Zaseki State Nature Reserve, in Otsenka i sokhranenie bioraznoobraziya lesnogo pokrova v zapovednikakh Evropeiskoi Rossii (Assessment and Conservation of Forest Biodiversity in Nature Reserves of European Russia), Zaugol’nova, L.B., Ed., Moscow: Nauchnyi mir, 2000, pp. 104–124.
5. Branson, S., Wegner, J.D., Hall, D., Lang, N., Schindler, K., and Perona, P., From Google Maps to a fine-grained catalog of street trees, ISPRS J. Photogramm. Remote Sens., 2018, vol. 135, pp. 13–30. https://doi.org/10.1016/j.isprsjprs.2017.11.008