Doslidžennja bagatošarovoji stojanky Korman' 4 (mezolityčni šari). Investigation of the many-layered stand (camp) Korman 4 (the mesolithic layers) - Grybovych, Roman (Studia Archaeologica. Naukovnyj Žurnal z Problem Archeologiji ta Davn'oji Istoriji Ukrajiny, 1 (1993), 1993)