1. Jacques Thuéry; Microwaves: Industrial, scientific and medical applications, edited by Edward H. Grant; King's College, London; Artech House, Boston, London (1992); chapter 4.3.2.5
2. Georges Roussy, John A. Pearce: Foundations and industrial applications of micro-wave and radio frequency fields; physical and chemical processes; John Wiley & Sons, Chichester, New York, Brisbane, Toronto, Singapore (1995); chapter 8.5