K izučeniju zemledelija Drevnej Rusi po materialam poselenija u s. Grigorovka na Srednem Dnepre. A contribution to the study of agriculture in medieval Russia according to the materials from the settlement near Grigorovka village on the Middle Dniepr - Petrašenko, Valentina Oleksijvna (Sovetskaja Archeologija, 1992,1 (1992), 1992)