Reddy, G. Venkat; Rao, N. Rama; Ganorkar, M. C., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1987, vol. 26, # 9, p. 789 - 791
Reddy, G. Venkat; Rao, N. Rama; Ganorkar, M. C., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1987, vol. 26, # 9, p. 789 - 791