UAV-based photogrammetry: Assessing the application potential and effectiveness for archaeological monitoring and surveying in the research on the ‘valley of the kings’ (Tuva, Russia) / M. V. Vavulin, K. V. Chugunov, O. V. Zaitceva [et al.] // Digital applications in archaeology and cultural heritage. 2021. Vol. 20. P. e00172 (1-14). URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:000892084