Chaudhuri, S. K.; Roy, P. S.; Ghosh, A. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1984, vol. 23, # 6, p. 533 - 534
Chaudhuri, S. K.; Roy, P. S.; Ghosh, A. K., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1984, vol. 23, # 6, p. 533 - 534