Grigoriev, Stanislav, (2021). "Andronovo Problem: Studies of Cultural Genesis in the Eurasian Bronze Age"Diarsipkan 2021-12-09 di Wayback Machine., in Open Archaeology 2021 (7), p.28: ".... The Fyodorovka dates in the north of the forest-
steppe Tobol region are close to the dates in the Southern Transurals and lie in the interval of the 20th–16th centuries
BC...Fyodorovka culture, in general, is synchronous with Alakul..."
Bendezu-Sarmiento, Julio, 2021. “The first nomads in Central Asia’s steppes (Kazakhstan)", Summary (in French): "...Durant la première étape de la culture d’Andronovo (Bronze ancien à la fin du IIIe millénaire avant n.è.), le cheptel (principalement constitué de bovins) était réduit et le fourrage naturel n’était nullement difficile à trouver dans les pâturages proches des habitations..."
Grigoriev, Stanislav, (2021). "Andronovo Problem: Studies of Cultural Genesis in the Eurasian Bronze Age"Diarsipkan 2021-12-09 di Wayback Machine., in Open Archaeology 2021 (7), p.28: ".... The Fyodorovka dates in the north of the forest-
steppe Tobol region are close to the dates in the Southern Transurals and lie in the interval of the 20th–16th centuries
BC...Fyodorovka culture, in general, is synchronous with Alakul..."