1. Agarwal, R.P., Nanda, A.C., Prasad, D.N., and Dey, B.K., Geology and biostratigraphy of the Upper Siwalik of Samba area, Jammu foothills, J. Himal. Geol., 1993, vol. 4, pp. 227–236.
2. Aguirre, E., A tentative phylogeny of Elephantidae based on morphological and quantitative analysis is given, Science, 1969, vol. 164, pp. 1366–1376.
3. Alexeeva, L.I., Upper Pleistocene Theriofauna of Eastern Europe (Large Mammals), Moscow: Nauka, 1990 [in Russian].
4. Avakyan, L.A. and Alekseeva, L.I., The first find of a Palaeoloxodont elephant in the Armenian SSR, Izv. Akad. Nauk Armyan. SSR, 1966, vol. XIX, nos. 1–2, pp. 3–9 [in Russian].
5. Azzaroli, A., Villafranchian correlations based on large mammals, Gior. Geol., 1970, vol. 35, pp. 111–131.