Starting in 1979, he was leading excavations in the territory of the North Caucasus and Transcaucasia (Adygea, Krasnodar Region, Karachay-Cherkessia, Abkhazia).
For the first time, Rezepkin linked the finds from Novosvobodnaya with the artifacts of the Funnelbeaker culture from the ancient Germany and Denmark, rather than with the Globular Amphora culture, as was thought previously.