Bajpai, S., Kay, R. F., Williams, B. A., Das, D. P., Kapur, V. V., & Tiwari, B. N. (2008). The oldest Asian record of Anthropoidea. National Academy of Sciences.

Bajpai, Sunil, Richard F. Kay, Blythe A. Williams, Debasis P. Das, Vivesh V. Kapur, and B. N. Tiwari. The Oldest Asian Record of Anthropoidea. National Academy of Sciences, 2008.

Bajpai, Sunil, et al. The Oldest Asian Record of Anthropoidea. National Academy of Sciences, 2008.