Upadhyay, R., and A. Sinha. “A Note on Geological Explorations through Early Expeditions to the Eastern Karakoram, the Shaksgam Valley and the Western Tibet since Early Half of the Nineteenth Century”. Journal of Palaeosciences, vol. 50, no. (1-3), Dec. 2001, pp. 213-24, doi:10.54991/jop.2001.1824.