Lakhanpal R, Sah S, Dube S. Further observations on plant microfossils from a carbonaceous shale (Krols) near Naini Tal, with a discussion on the age of the beds. JPS [Internet]. 1958 Dec. 31 [cited 2024 May 26];7((1-2):111-20. Available from: https://jpsonline.co.in/index.php/jop/article/view/577