Chaudhri, R. S. and Gill, G. T. S. (1983) “Clay Mineralogy of the Siwalik Group of Simla Hills, Northwestern Himalaya”, Journal of Geological Society of India, 24(3), pp. 159–165. Available at: https://geosocindia.com/index.php/jgsi/article/view/65198 (Accessed: 20 September 2024).