Chong, A. M. Y.; Wong, Y. S.; Tam, N. F. Y., (2000). Performance of different microlgal species in removing nickel and zinc from industrial wastewater. Chemosphere 41, 251-257.
Liehr, S. K.; Chen, H. J.; Lin, S. H., (1994). Metal removal by algal biofilms. Water Sci., Technol., 30 (11), 59-68.
Matheical, J. T.; Yu, Q., (1996). Biosorption of lead from aqueous solutions by marine algae Ecklonia radiate. Water Sci., Technol, 34 (9), 1-7.
Fergusson J. E., (1990). The Heavy Elements: Chemistry, Environmental Impact, and Health Effects. Newzealand, Pergamon Press, 431.
Ahluwalia, S. S.; Goyal, D., (2007). Microbial and plant derived biomass for removal of heavy metals from wastewater. 98 (12), 2243-2257.
Malik, A., (2004). Metal bioremediation through growing cells. Environment International. 30 (2), 261-278.
Volesky, B.; Schiewer S., (2000). Biosorption, Metals. Encyclopedia Of Bioprocess Technology. (Fermentation, Biocatalysis and Bioseparation)1, 433-453.
McEldowney, S. H.; Hardman, D. J., (1993). Polution: ecology and biotreatment. Longman group Ltd.
Eckenfelder, W.W., (2000). Industrial Water Polution Control. 3rd Eddition, McGraw-Hill, Boston, MA.
Zhang, Z.; Zeng, G. M.; Huang, J. H.; Fang, Y. Y.; Xu, K.; Qul, Y. H.; Yang Ch. P.; Li, J. B., (2007). Removal of zinc ions from aqueous solution using micellar-enhanced ultrafiltration at low surfactant concentrations. Water research commission 33.
Kurniawan, T. A.; Chan, G. Y. S.; Loa, W. H.; Babel, S., (2006). Physico-chemical treatment techniques for wastewater laden with heavy metals. Chemical Engineering Journal, 118, 83-98.
Kim, H.; Baek, K.; Leec J.; Iqbala, J.; Yang, J. W., (2006). Comparison of separation methodes of heavy metal from surfactant micellar solutions for the recovery of surfactant. Desalination. 191, 186-192.
Omar, W.; Al-Itawi, H., (2007). Removal of Pb2+ Ions from Aqueous Solutions by Adsorption on Kaolinite Clay. A. J. of Appl.Sci., 4 (7), 502-507.
Takeuchi, Y.; Arai, H., (1990). Removal of coexisting Pb2+, Cu2+,Cd2+ ions from water by addition of hydroxyapatite powder. J.Chem. Eng. Jpn., 23, 75-80.
Elliott, J. C., (1994). Structure and Chemistry of the Apatites and Other Calcium Orthophosphates. Elsevier, Amsterdam.
Tanaka, H.; Futaoka, M.; Hino, R.; Kandori, K.; Ishikawa, T., (2005). Structure of synthetic calcium hydroxyapatite particles modified with pyrophosphoric acid. J. Colloid Interf. Sci., 283 (2),
609-612.
Krestou, A.; Xenidis, A.; Panias, D., (2004). Mechanism of aqueous uranium (VI) uptake by a natural zeolite tuff. Miner. Eng., 16 (12), 1363-1370.
Czerniczyniec, M.; Farias, S.; Magallanes,
J.; Cicerone, D., (2003). Arsenic (V) Adsorption onto Biogenic Hydroxyapatite: solution composition effects. Water Air Soil Pollute. 180, 75-82.
Vega, E. D.; Pedregosa, J. C.; Narda, G. E., (1999). Interaction of oxovanadium (IV) with crystalline calcium hydroxyapatite: surface mechanism with no structural modification. J. Phys. Chem.Solids., 60 (6), 759-766.