Mayer, R.; Hiller, G.; Nitzschke, M.; Jentzsch, J. Angewandte Chemie, International Edition in English, 1963 , vol. 2, p. 370 - 373 Full Text Show Details Mayer, R.; Hiller, G.; Nitzschke, M.; Jentzsch, J. Angewandte Chemie, 1963 , vol. 75, p. 1011 - 1014 Full Text Show Details Gmelin Handbook: S: SVol.4a/b, 1.3.11.4, page 298 - 300