Saksena, Shivdayal. “Reconstruction of the Vegetative Branches of Phyllotheca Etheridgei and P. Sahnii Saksena”. Journal of Palaeosciences 3 (December 31, 1954): 51–53. Accessed May 26, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/451.