1. Environmental and chronological factors in the Mesa Verde – Northern Rio Grande migration;Ahlstrom;Journal of Anthropological Archaeology,1995
2. Baillie, M.G.L., Brown, D.M., 1988. An overview of oak chronologies, in: Slater, E.A., Tate, J.O. (Eds.), Science and Archaeology. Proceedings of conference on Application of Scientific Techniques to Archaeology, Glasgow 1987. British Archaeological Reports, British Series 196, pp. 543–548.
3. Iron Age society and chronology in South-East Kazakhstan;Chang;Antiquity,2003
4. Cook, E.R., Holmes, R.L., 1998. User manual for program ARSTAN. The University of Arizona, Tucson 17 pp
5. Dendrochronology;Dean,1997