Whitmore; Homeyer Journal of the American Chemical Society, 1933 , vol. 55, p. 4558 Show Details Schmerling Journal of the American Chemical Society, 1945 , vol. 67, p. 1438 Journal of the American Chemical Society, 1946 , vol. 68, p. 1652,1656 View citing articles Show Details Campbell Journal of the American Chemical Society, 1937 , vol. 59, p. 1982