Bunting, John W.; Stefanidis, Dimitrios
Journal of the American Chemical Society, 1990 , vol. 112, # 2 p. 779 - 786

Naik, Radhey M.; Chaturvedi, Desh D.; Srivastava, Neena; Verma, Amit K.; Tewari, Anjani K.; Agarwal, Abhinav
Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry, 2004 , vol. 43, # 11 p. 2307 - 2314

Biernat, J.; Koryta, J.
Collection of Czechoslovak Chemical Communications, 1960 , vol. 25, p. 38 - 46
Full Text Show Details
Gmelin Handbook: Mn: MVol.D5, 22.3.1.1, page 15 - 18