参考文献

Pigulewskii; Adrowa Zhurnal Obshchei Khimii, 1957 , vol. 27, p. 136; engl. Ausg. S. 151 Full Text Show Details Du Pont de Nemours and Co. Patent: US2838524 , 1955 ; Full Text Show Details Du Pont de Nemours and Co. Patent: US2692876 , 1953 ;