Shanker, Ravi, T. Pal, P. K. Mukherjee, S. Shome, and S. Sengupta. 2001. “Association of Microbes With Arsenic-Bearing Siderite Concretions from Shallow Aquifer Sediments of Bengal Delta and Its Implication”. Journal of Geological Society of India 58 (3):269-71. https://geosocindia.com/index.php/jgsi/article/view/83897.