Ašel'-must'e Severo-Zapadnogo Kavkaza. (Nekotorye nabljudenija o chronologičeskich izmenenijach v technologii.) The Acheulian and Mousterian at the North-Western Caucasus. (Some observations on chronological changes in lithic technology.) - Golovanova, L. V. (Peterburgskij Archeologičeskij Vestnik, 8 (1994), 1994)