1. ACTED Consultants, 2003. Vanadium pentoxide and ferrovanadium, 3 p. article from chemlink.com
2. An Mbendi Profile, 2002. World: Mining––vanadium mining, commodity properties and uses, 4 p
3. Barrera-Godı́nez, J.A., Campos-González, T., 2002. Vanadium extraction from a Mexican power plant residue. In: Tanner, M.F., Riveros, P.A., Dutrizac, J.E., Gattrell, M., Perron, L. (Eds.), Vanadium, Geology, Processing and Applications, Proceedings of the International Symposium on Vanadium, Conference of Metallurgists, Montréal, Canada, August 11–14, pp. 243–255
4. Vanadium and Vanadium Compounds;Bauer,2002
5. Bradbury, S., 2002. The production of vanadium pentoxide. In: Tanner, M.F., Riveros, P.A., Dutrizac, J.E., Gattrell, M., Perron, L. (Eds.), Vanadium, Geology, Processing and Applications, Proceedings of the International Symposium on Vanadium, Conference of Metallurgists, Montréal, Canada, August 11–14, pp. 115–130