1. Aigner, J. S., 1973. Pleistocene archaeological remains from South China. Asian Perspect. 16: 16–38.
2. Akihama, T. & K. Toshimitsu, 1972. Geographical distribution of morphological variation on wild rices in central and southern India. Prelim. Rep. Tottori Univ. Sci. Survey (1971) 1: 48–59.
3. Allchin, F. R., 1969. Early cultivated plants in India and Pakistan. In: P. J. Ucko & G. W. Dimbleby (Eds), The domestication and exploitation of plants and animals, p. 323–329. Gerald Duckworth, London.
4. Andrus, J. R. & A. F. Mohammed, 1958. The economy of Pakistan. Oxford University Press, Oxford.
5. Ando, H., 1951. Miscellaneous records on the ancient history of rice crop in Japan (in Japanese). Chiku, Tokyo.