Ajay K. Naithani, H. C. Nainwal, K. K. Sati and
C. Prasad: Geomorphological evidences of retreat of the Gangotri glacier and its characteristics. Current Science, 2001, Vol. 80, No. 1, 87-94. http://www.ias.ac.in/currsci/jan102001/87.pdfArchived 17 October 2020 at the Wayback Machine
Ajay K. Naithani, H. C. Nainwal, K. K. Sati and
C. Prasad: Geomorphological evidences of retreat of the Gangotri glacier and its characteristics. Current Science, 2001, Vol. 80, No. 1, 87-94. http://www.ias.ac.in/currsci/jan102001/87.pdfArchived 17 October 2020 at the Wayback Machine