Purnachandra Rao, V. “Palaeoclimatic Significance of Gypsum Pseudomorphs in the Inner Shelf Sediments Off Machalipatnam Bay”. Journal of Geological Society of India 32, no. 5 (November 1, 1988): 426–429. Accessed July 1, 2024. https://geosocindia.com/index.php/jgsi/article/view/66268.