Dutta, Jayasri, and Sachinath Mitra. “A Note on the Mode of Vibration in Layered Flat Topped Conical Hill Deccan Trap Type and the Stresses Generated in Each Layer Part I”. Defence Science Journal 26, no. 4 (October 1, 2014): 183–188. Accessed June 16, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6645.