Callingaert, G.; Beatty, H. A.; Neal, H. R. Journal of the American Chemical Society, 1939 , vol. 61, p. 2755 - 2758 Full Text View citing articles Show Details Callingaert, G.; Soroos, H.; Hnizda, V. Journal of the American Chemical Society, 1940 , vol. 62, p. 1107 - 1110