Chernick, CL and Claassen, HH and Fields, PR and Hyman, HH and Malm, JG and Manning, WM and Matheson, MS and Quarterman, LA and Schreiner, F. and Selig, HH and others (1962). "Fluorine Compounds of Xenon and Radon". Science, (American Association for the Advancement of Science) 138 (3537): 136--138. doi:10.1126/science.138.3537.136. http://www.sciencemag.org/cgi/content/abstract/138/3537/136.