参考文献

Singh, H.; Srivastava, V.K.; Shukla, S.N.; Srivastava, M.K.; Upadhyay, M.K. Indian Journal of Chemistry, Section A: Inorganic, Bio-inorganic, Physical, Theoretical & Analytical Chemistry, 1994 , vol. 33, # 4 p. 350 - 353