1.
Shukla P, Bhandari N. Physical, chemical and biological changes at geological boundaries: causes, consequences and clues based on the study of Indian sections. JPS [Internet]. 1997 Dec. 31 [cited 2024 May 2];46((1-2):41-62. Available from: https://jpsonline.co.in/index.php/jop/article/view/1316