参考文献

Minnesota Mining and Mfg.Co. Patent: US2490098 , 1948 ; Full Text Show Details Minnesota Mining and Mfg.Co. Patent: US2519983 , 1948 ; Full Text Show Details Gen.Electric Co. Patent: US2806817 , 1953 ; Full Text Show Details Simmons et al. Journal of the American Chemical Society, 1957 , vol. 79, p. 3429,3430