Indian Journal on History of Sciences 1996, pg 94. "Archived copy"(PDF). Archived from the original(PDF) on 27 May 2015. Retrieved 30 December 2014.{{cite web}}: CS1 maint: archived copy as title (link)
Indian Journal on History of Sciences 1996, pg 94. "Archived copy"(PDF). Archived from the original(PDF) on 27 May 2015. Retrieved 30 December 2014.{{cite web}}: CS1 maint: archived copy as title (link)