1. Toba ash on the Indian subcontinent and its implications for correlation of Late Pleistocene alluvium;Acharyya;Quaternary Research,1993
2. Adams, J.M., Faure, H., 1997. Review and Atlas of Palaeovegetation: preliminary land ecosystem maps of the world since the Last Glacial Maximum. In: QEN Website.
3. The stone age cultures of the Upper Son Valley, Madhya Pradesh;Ahmed,1984
4. The prehistory and palaeogeography of the Great Indian Desert;Allchin,1978
5. Late Pleistocene human population bottlenecks, volcanic winter, and differentiation in modern humans;Ambrose;Journal of Human Evolution,1998