参考文献

Willimann; Schinz Helvetica Chimica Acta, 1952 , vol. 35, p. 2401,2405 Full Text Show Details Sarytschewa et al. Zhurnal Obshchei Khimii, 1955 , vol. 25, p. 2001,2004;engl.Ausg.S.1949,1951