Engel Journal of the American Chemical Society, 1930 , vol. 52, p. 2835,2837,2842 Full Text View citing articles Show Details Schtscherbatschew Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), 1935 , vol. 8, p. 1216,1217,1219 Chem. Zentralbl., 1936 , vol. 107, # II p. 3415