Sanehi, R.; Bansal, R. K.; Mehrotra, R. C., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 12, p. 1031 - 1034
Sanehi, R.; Bansal, R. K.; Mehrotra, R. C., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 12, p. 1031 - 1034