[1]
R. Imhof, H. P. Märki, W. Froestl, and W. Hunkeler, “Dr. Emilio Kyburz-Haerdi 26 February 1928 – 20 July 2005”, Chimia, vol. 59, no. 9, p. 709, Oct. 2005, doi: 10.2533/000942905777675903.