Prasad, G. V. R. “Vertebrate Fauna From the Infra- and Inter-Trappean Beds of Andhra Pradesh: Age Implications”. Journal of Geological Society of India 34, no. 2 (August 1, 1989): 161–173. Accessed September 20, 2024. https://geosocindia.com/index.php/jgsi/article/view/66753.