Pal, S. C.; Tarafder, M. T. H., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1995, vol. 34, # 1, p. 31 - 37
Pal, S. C.; Tarafder, M. T. H., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1995, vol. 34, # 1, p. 31 - 37