A.A. Iessen, “The Kuban Centre of Metallurgy and Metal-Working of the End of the Copper-Bronze age”, MIA 23. 1951, etc.
249
(a) Les Outils de Bronze. P. 402; (b) Bronze Age USSR. P. 63–64, etc.
250
(a) Stratigraphie. P. 418–420; (b) M. Gimbutas, “Borodino, Seima and their Contemporaries”, PPS XXII. 1956. P. 143–172; (c) V.A. Safronov, KSIA 108. 1966. P. 23–30.