Khulbe, R. C.; Singh, R. P.; Bhoon, Y. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1983, vol. 22, # 3, p. 214 - 217
Khulbe, R. C.; Singh, R. P.; Bhoon, Y. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1983, vol. 22, # 3, p. 214 - 217