Bhattacharya2 and Shibani Chaudhury1*, S. M. S. R. S. “Accumulation of Lead and Zinc in Earthworm Lampito Mauritii (Kinberg): Effect on Survival, Growth and Acetylcholinesterase Activity”. Recent Research in Science and Technology, vol. 2, no. 4, July 2010, https://updatepublishing.com/journal/index.php/rrst/article/view/412.