Title: Prinosi kŭm prouchvane metalurgichnoto proizvodstvo i metaloobrabotvaneto prez kamenno-mednata i bronzovata epokha v severoiztochnite raĭoni na Balkanskii︠a︡ poluostrov
Subjects: Metallurgy, Metal-work, Stone age, Copper age, Bronze age, Excavations (Archaeology)
Places: Balkan Peninsula