by Alois Haas ; authors, Dieter Koschel, Ulrich Niemann ; formula index, Rainer Bohrer ... [et al.] ; editors, Dieter Koschel, Alois Haas ; chief editor, Dieter Koschel ; [1] : U.S. - [2] : GW. -- 8th ed. -- Springer-Verlag, 1991, c1990. -- (Gmelin handbook of inorganic chemistry / prepared and issued by Gmelin-Institut für Anorganische Chemie der Max-Planck-Gesellschaft zur Förderung der Wissenschaften ; director, Ekkehard Fluck ; system no. 5 . F, perfluorohalogenoorgano compounds of main group elements ; suppl. v. 5-6).