Khan, M. Ishaque; Jain, K. C.; Agarwala, U. C., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1983, vol. 22, # 1, p. 28 - 31
Khan, M. Ishaque; Jain, K. C.; Agarwala, U. C., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1983, vol. 22, # 1, p. 28 - 31