J. Samuel, M. Lien Paul, J. Kumari, K. Ravikumar, C. Natarajan, and A. Mukherjee, “Removal of Cr(VI) by Immobilized Consortium of Freshwater Microalgae in Batch and Continuous System”, ajc, vol. 27, no. 6, pp. 2161–2170, Mar. 2015.