Gupta, Arup K Sen; Bohra, R; Mehrotra, R C, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1992, vol. 31, # 1.2, p. 23 - 27
Gupta, Arup K Sen; Bohra, R; Mehrotra, R C, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1992, vol. 31, # 1.2, p. 23 - 27
Gupta, Arup K Sen; Bohra, R; Mehrotra, R C, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1992, vol. 31, # 1.2, p. 23 - 27