2) Nelson, S. O.: Microwave Dielectric Properties of Fresh Fruit and Vegetables, TRANS. ASAE. Vol. 23, No. 5, p. 1314-1317, 1980
3) Nelson, S. O.: Dielectric Properties of Some Fresh Fruits and Vegetables at Frequencies of 2.45 to 22GHz, TRANS. ASAE, Vol. 26, No. 2, p. 613-616, 1983
4) McLendon, B. Derrell and R. H. Brown.: Dielectric properties of peaches as a maturity index. ASAE Paper No. 71-332, ASAE, St. Joseph, Mich. 49085, 1971
5) Cole, K. S.: Electric Phase Angle of Cell Membranes, J. General Physiology, 15, p. 641-649, 1932