Dubey, S. N.; Kaushik, Beena, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 11, p. 950 - 953
Dubey, S. N.; Kaushik, Beena, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 11, p. 950 - 953