Srivastava, T N; Singh, Jai Deo; Srivastava, Sanjay Kumar, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1990, vol. 29, # 7, p. 703 - 706
Srivastava, T N; Singh, Jai Deo; Srivastava, Sanjay Kumar, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1990, vol. 29, # 7, p. 703 - 706