Uttamchandani, J.; Kapoor, R. N., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 3, p. 242 - 243
Uttamchandani, J.; Kapoor, R. N., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 3, p. 242 - 243