1. Vanadium in biological systems: Physiology and biology;Chasteen,1990
2. Vanadium: Toxicology and biological significance;Faulkner Hudson,1964
3. Gummow B (2005) Vanadium Mining and Cattle Health. Sentinel Studies, Epidemiological and Veterinary Public Health Issues. PhD Thesis, University of Utrecht, Utrecht, Netherlands, http://igitur-archive.library.uu.nl/dissertations/2006-0906-201304/index.htm (accessed April 2009).
4. National Academy of Sciences. Concise International Chemical Assessment Document (CICAD) (2001) Vanadium Pentoxide and Other Inorganic Vanadium Compounds. Document number 29, International Programme on Chemical Safety, INCHEM, http://www.inchem.org/documents/cicads/cicads/cicad29.htm (accessed April 2009).
5. Vanadium in the environment, Part 1: Chemistry and biochemistry;Nriagu,1998