Sawkar, R. H. 1986. “Proceedings of the 27th Annual General Body Meeting of the Geological Society of India Held On 9th March, 1986 at the Indian School of Mines, Dhanbad, Bihar at 4-00 P.M”. Journal of Geological Society of India 27 (6):543-44. https://geosocindia.com/index.php/jgsi/article/view/65928.