Mookerjee, M. N.; Singh, R. V.; Tandon, J. P., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1983, vol. 22, # 12, p. 1081 - 1083
Mookerjee, M. N.; Singh, R. V.; Tandon, J. P., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1983, vol. 22, # 12, p. 1081 - 1083