Оклaдников, A. П. Okladnikov, A. P. Petroglify Chulutyn-gola (Mongoliya) / A. P. Okladnikov. - Novosibirsk : Nauka, 1981. - 181 p. : ISBN: RUSSIAN22307 Subjects--Topical Terms: Petroglyphs Dewey Class. No.: 571.9209517 / Pe