1. The Merck Index,1983
2. Board on Agriculture, The Role of Chromium in Animal Nutrition, National Academy Press, Washington, DC, 1997, p. 64.
3. Chromium, Gmelins Handbook of Inorganic Chemistry, vol. B, 1962, pp. 385–404.
4. Crystal-Molecular Structure and Magnetic Properties of Cr3 (CH3.COO)6 O Cl.5H2O