1. B. Volesky, Biosorption of Heavy Metals (CRC Press, Boca Raton, 1992), pp. 7–44
2. R.K. Gupta, R.A. Singh, S.S. Dubey, Sep. Purif. Technol. 225, 38 (2004)
3. S.A. Nabi, A.H. Shalla, J. Hazard. Mater. 657, 163 (2009)
4. A.A. Khan, Inamuddin, M.M. Alam, React. Funct. Polym. 119, 63 (2005)
5. S.A. Nabi, A.M. Khan, React. Funct. Polym. 495, 66 (2006)