Gupta, V. J. “Carnian Conodonts from Tidong Valley, Kinnaur District, Himachal Pradesh”. Journal of Geological Society of India 24, no. 3 (March 1, 1983): 156–158. Accessed September 20, 2024. https://geosocindia.com/index.php/jgsi/article/view/65193.