Johnson; Fawcett Journal of the American Chemical Society, 1946 , vol. 68, p. 1417 Full Text Show Details Whitmore; Mixon Journal of the American Chemical Society, 1941 , vol. 63, p. 1461 Full Text Show Details Birch; Pim; Tait Journal of the Society of Chemical Industry, London, 1936 , vol. 55, p. 335 T, 337 T Anm.