Proceedings of the Soviet-American Academic Symposia in conjunction with the museum exhibition, Nomads: Masters of the Eurasian Steppe : Los Angeles, February 3-5, 1989, Denver, June 8-ll, 1989, Washington, D.C., November 16-17, 1989. Vol. 3 Foundations of empire : archaeology and art of the Eurasian steppes [1-878986-02-3]