Bajpai, Usha, and H.K. Maheshwari. “On Two Enigmatic Infructescences from Permian Gondwana of the Rajmahal Basin”. Journal of Palaeosciences 39, no. (1-3) (December 31, 1990): 9–19. Accessed November 24, 2024. https://jpsonline.co.in/index.php/jop/article/view/1678.