Morgan Journal of the Chemical Society, 1958 , p. 854,855 Full Text Show Details Fry; Kendall Journal of the Chemical Society, 1951 , p. 1723,1725 Full Text Show Details Beilenson; Hamer Journal of the Chemical Society, 1939 , p. 143,149 Full Text Show Details Sexton Journal of the Chemical Society, 1939 , p. 470,473