Shashi SP, Tripathi P. Fossil leaf impressions from Siwalik sediments of Himalayan foot hills of Uttaranchal, India and their significance. JPS [Internet]. 2006 Dec. 31 [cited 2024 Apr. 28];55((1-3):77-8. Available from: https://www.jpsonline.co.in/index.php/jop/article/view/97