Sundar. V. Newnham. R.E. "Electrostriction The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton CRC Press llc. 2000Sundar, V., Newnham, R.E. “Electrostriction” The Electrical Engineering Handbook Ed. Richard C. Dorf Boca Raton: CRC Press LLC, 2000