Singh, D.K., and A.P. Tripathi. “Attraction of Eyestalk Ablated Lymnaea Acuminata towards the Different Photo and Chemo Stimulants”. Scientific Journal of Biological Sciences 2, no. 5 (May 29, 2013): 94-104. Accessed May 21, 2022. https://www.sjournals.com/index.php/sjbs/article/view/1045.