Preston, H. B. “Report on a Small Collection of Freshwater Mollusca (Limnaea and Pisidium) from Tibet”. Records of the Zoological Survey of India 3, no. 2 (May 31, 1909): 115–116. Accessed July 5, 2024. https://recordsofzsi.com/index.php/zsoi/article/view/163260.