1. Chambers2 and Hudlicky,3 and many publications referred to there.
2. Fluorine in Organic Chemistry;Chambers,1973
3. Chemistry of Organic Fluorine Compounds;Hudlicky,1976
4. Gmelin Handbuch der Anorganischen Chemie, Perfluorohalogen-organoVerbindungen der Hauptgruppenelemente,1973