1. (a) in (Ed.): Water Science Reviews, An Annual Journal, Vol. 2, Cambridge University Press, Cambridge 1986.
2. (c) in (Eds.): The Hydrogen Bond, Vol. II, North-Holland, Amsterdam 1976, p. 471.
3. : Superacids, Wiley-Interscience, New York, 1985, p. 48.
4. Ionic species in hydrofluoric acid-antimony pentafluoride solutions. An infrared spectroscopy investigation