1950-е гг 1950-ті рр 1950's Globular Amphora culture Kamiana Mohyla M.Ya. Rudynskyi Mikhailivka settlement O.F. Lagodovska O.P. Dovzhenko Usatove complex Usatove culture Wojciechowski burial ground Yamna culture archaeological sites archival materials barrows exploration rescue excavations research at new buildings research methodology settlements southern regions of the Ukrainian SSR the 1950s the Academy of Sciences of the USSR the Melitopol-Terpinnia Expedition of the Institute of Archaeology the saving expeditions А.П. Довженко Войцеховский могильник Войцехівський могильник Е.Ф. Лагодовская