Spengler, Robert N., III, Michael D. Frachetti, and Gayle J. Fritz. 2013. Ecotopes and Herd Foraging Practices in the Bronze and Iron Age, Steppe and Mountain Ecotone of Central Asia. Journal of Ethnobiology 33(1): 125-147. Peer-reviewed.
Spengler, Robert N., III, Michael D. Frachetti, and Gayle J. Fritz. 2013. Ecotopes and Herd Foraging Practices in the Bronze and Iron Age, Steppe and Mountain Ecotone of Central Asia. Journal of Ethnobiology 33(1): 125-147. Peer-reviewed.