
Bronze Age Artifacts from the Ural-Kazakhstan Steppes
Petrov Culture
Excavations by G. Zdanovich. Sverdlovsk. 1988. Bronze Age in the Ural-Irtysh Interfluvial.
After Koryakova: Ludmila Koryakova, "Social Trends in Temperate Eurasia During the Second and First Millennia BC," Journal of European Archaeology, (1991) 4:243-280, Fig. 2.