Banerjee, Meenakshi, Shanoo Mishra, and Jhuma Chatterjee. 2004. “Scavenging of Nickel and Chromium Toxicity in Aulosira Fertilissima by Immobilization: Effect on Nitrogen Assimilating Enzymes”. Electronic Journal of Biotechnology 7 (3). Valparaíso, Chile:0-0. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v7n3-9.