Rybin, E., Khatsenovich, A. and Marchenko, D. 2019. MODEL OF TECHNOLOGICAL DEVELOPMENT IN THE INDUSTRIES OF EARLY STAGES OF THE UPPER PALEOLITHIC IN NORTHERN MONGOLIA: ACCORDING TO THE RESULTS OF NEW EXCAVATIONS OF THE TOLBOR-4 SITE. THEORY AND PRACTICE OF ARCHAEOLOGICAL RESEARCH. 28, 4 (Dec. 2019), 164-179. DOI:https://doi.org/10.14258/tpai(2019)4(28).-12.