1. Bengtsson, N.E. and Ohlsson, T 1979. Application of microwave and high frequency heating in food process¬ing. Food Process Eng. Second Intl. Congress on Engi¬neering and Foods. Eighth European Food Symposium, Finland
2. Chabbra, M. 1989. A study on the open-ended coaxial line method for measuring the Permittivity of materials at microwave frequencies. Master’s dissertation, University of Wisconsin, Milwaukee
3. Cone, M. and Snyder, T. 1986. Mastering microwave cooking. Simon and Schuster, NY.
4. Griffin, Roger C. 1944. Relative humidity over salt solution. National Bureau of Standards, Dec., LC752.
5. Pei, D.C.T. 1982. Microwave baking - new developments. Baker’s Digest. Feb., pp 8–10,32–33.