Maithy P, Babu R. Carbonaceous macrofossils and organic-walled microfossils from the Halkal Formation, Bhima Group, Karnataka with remarks on age. JPS [Internet]. 1996 Dec. 31 [cited 2024 Nov. 22];45:1-6. Available from: https://jpsonline.co.in/index.php/jop/article/view/1212