Trivedi, B.S., and C.L. Verma. “Petrified Palm Stem, Palmoxylon Penchense Sp. Nov. From the Deccan Intertrappean Beds of Madhya Pradesh, India”. Journal of Palaeosciences 21, no. (1-3) (December 31, 1972): 352–358. Accessed May 18, 2024. https://jpsonline.co.in/index.php/jop/article/view/1497.