Betpak-Dala kak osobyĭ tip pustyni = Betpak-Dala as a peculiar type of desert - Korovin, E. P. (Evgeniĭ Petrovich), 1891-1963 (Rezulʹtaty Betpak-Dalinskoĭ ėkspedi︠t︡sii Sredneaziatskogo gosudarstvennogo universiteta, 1935)