1- Marques, P. A. S. S., Rosa, M. F., and Pinheiro, H. M. (2000). “pH effects on the removal of Cu2+, Cd2+ and Pb2+ from aqueous solution by waste brewery waste.” Bioprocess Eng., 23, 135-141.
2- Alkorta, I., Hernández-Allica Becerril, J. M., Amezaga, I., Albizu, I., and Garbisu, C. (2004). “Recent findings on the phytoremediation of soils contaminated with environmentally toxic heavy metals and metalloids such as zinc, cadmium, lead, and arsenic.” Rev. Environ. Sci. Biotechnol., 3,
71-90.
3- Volesky, B. (1990). Biosorption and biosorbents, In: B. Volesky, ed., Biosorption of heavy metals, CRC press,Florida.
4- USEPA. (1985). Drinking water criteria document on cadmium, Office of Drinking Water,Washington,D.C.
5- USEPA. (1991). Guidance for water quality-based decisions: The TMDL process, Office of Water,Washington,D.C.
6- Veglio, F., and Beolchini, F. (1997).“Removal of metals by biosorption: a review.” Hydrometallurgy, 44, 301-316.
7- Kapoor, A., and Viraraghavan, T. (1995). “Fungi biosorption an alternative treatment option for heavy metal bearing wastewaters: a review.” Bioresour. Technol., 53 (3), 195-206.
8- Schiewer, S., and Volesky, B. (1995). “Modeling of the proton-metal ion exchange in biosorption.” Environ. Sci. Technol., 29 (2), 3049-3058.
9- Goksungur, Y., Uren, S., and Guvenc, U. (2005). “Biosorption of cadmium and lead ions by ethanol treated waste bakers yeast biomass.” Bioresource Technology, 96 (1), 103-109.
10- Eaton, A. D., Clesceri, L., and Greenbery, A. E., eds. (1998). Standard methods for the examination of water and wastewater, 20th Ed., APHA, AWWA, WEF,Wshington,D.C.
11- Adamis, P. D. B., Panek, A. D., Leite, S. G. F., and Eleutherio, E. C. A. (2003). “Factors involved with cadmium absorption by a wild-type strain of saccharomyces cerevisiae.” Brazilian J. of Microbiology, 34 (1), 55-60.
12- Zouboulis, A. I., Rousou, E. G., Matis, K. A., and Hancock, I.C. (1999). “Removal of toxic metals from aqueous mixtures, and Part 1: Biosorption.” J .Chem. Technol. Biotechnol., 74 (5), 429-436.
13- Brady, D., Stoll, A., and Duncan, J. R. (1994). “Biosorption of heavy metal cations by non-viable yeast biomass.” Environmental Tech., 15, 429-438.
14- Leusch, A., Holan, Z. R., and Volesky, B. (1995). “Biosorption of heavy metals (Cd, Cu, Ni, Pb, Zn) by chemically-reinforced biomass of marine algae.” J. Chem. Technol. Biotechnol., 62 (3),
279-288.
15- Huang, C. P., Huang, C. P., and Morehart, A. (1990). “The removal of Cu (II) from dilute aqueous solutions by Saccharomyces cerevisiae.” Wat. Res., 24(4), 433-439.
16- Goksungur, Y., Uren, S., and Guvenc, U. (2003). “Biosorption of copper ions by caustic treated waste bakeros yeast biomass.” Turk. J. Biol., 27, 23-29.
17- Vasudevan, P., Padmavathy, V., and Dhingra, S. C. (2003). “Kinetics of biosorption of cadmium on bakers yeast.” Bioresource Technology, 89 (3), 281-287.
18- Selatnia, A., Bakhti, M., Madani, A., Kertous, L., and Mansouri, Y. (2004). “Biosorption of Cd2+ from aqueous solution by a NaOH-treated bacterial dead Streptomyces rimosus biomass.” Hydrometallurgy, 75 (1-4), 11-24.
19- Wang, J. L. (2002). “Biosorption of copper (II) by chemically modified biomass of Saccharomyces cerevisiae.” Process Biochem., 37 (8), 847-850.