Veeraiyan, V.; Udupa, M. R., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1984, vol. 23, # 11, p. 924 - 928
Veeraiyan, V.; Udupa, M. R., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1984, vol. 23, # 11, p. 924 - 928