Morgan; Hardy Chemistry and Industry (London, United Kingdom), 1933 , p. 519 Chem. Zentralbl., 1935 , vol. 106, # I p. 2001 Full Text Show Details Gershbein; Pines; Ipatieff Journal of the American Chemical Society, 1947 , vol. 69, p. 2888,2893 Full Text Show Details Levine; Baumgarten; Hauser Journal of the American Chemical Society, 1944 , vol. 66, p. 1230