References:

1. Wani, P. A.; Khan, M.S.; Zaidi, A.. (2007) Chromium reduction, plant growth - promoting potentials, and metal solubilizatrion by Bacillus sp. isolated from alluvial soil. Current Microbiology. 54(3), 237-243.
2. Faisal, M.; Hasnain, S. (2006) Growth stimulatory effect of Ochrobactrum intermedium and Bacillus cereus of Vigna radiata plants. Letters in Applied Microbiology. 43(4), 461-466.
3. Digat, Bernard (1998) Ready-for-use seeds coated with bacteria. Patent FR 97-219 19970110 (France)