Tarasov, P. E., Webb Iii, T., Andreev, A. A., Afanas'eva, N. B., Berezina, N. A., Bezusko, L. G., et al. (1998).
Present-day and mid-Holocene biomes reconstructed from pollen and plant macrofossil data from the former Soviet Union and
Mongolia. Journal of Biogeography, 25(6), 1029-1053.