1. The Declining Red Lechwe
2. A.G. Bannikov, L.V. Zhirnov, L.S. Lebedeva, and A.A. Fandeev(1961 )Biology of the saiga, Moskva1961. Translated from the Russian by Israel Program for Scientific Translations, Jerusalem (1967).
3. R.H.V. Bell(1969 ) The use of the herb layer by grazing ungulates in the Serengeti National Park, Tanzania . Ph.D. thesis . University of Manchester.
4. The Combination of Estimates from Different Experiments