Somasundaram, Narayanakumar, Surendra Nadh Somala, Evgenii Rogozhin, and Svetlana Rodina. 2020. “Seismic Study and Spatial Observations of a & B – Values for the Different Earthquake Hazard Zones of India”. Iranian Journal of Earth Sciences 12 (4): 225-39. https://oiccpress.com/ijes/article/view/5674.