参考文献

Steger et al. Recueil des Travaux Chimiques des Pays-Bas, 1938 , vol. 57, p. 27 Full Text Show Details deGroote et al. Industrial and Engineering Chemistry, Analytical Edition, 1931 , vol. 3, p. 251 Full Text Show Details Nation.Oil Prod.Co. Patent: US2367050 , 1942 ;