Dabas, P.; Rastogi, M. K.; Multani, R. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1987, vol. 26, # 2, p. 178 - 179
Dabas, P.; Rastogi, M. K.; Multani, R. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1987, vol. 26, # 2, p. 178 - 179