Ruggli; Cuenin Helvetica Chimica Acta, 1944 , vol. 27, p. 649,660 Show Details Simpson Journal of the Chemical Society, 1946 , p. 673 Show Details Horwitz Journal of Organic Chemistry, 1956 , vol. 21, p. 1039 View citing articles Show Details Shaw; Wagstaff Journal of the Chemical Society, 1933 , p. 77