De, Rajib Lal; Maiti, Kamales, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 2002, vol. 41, # 11, p. 2296 - 2299
De, Rajib Lal; Maiti, Kamales, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 2002, vol. 41, # 11, p. 2296 - 2299