1. Chilibon, I., Ultrasound transducer for medical therapy. Sens. Actuators A. 142:124–129, 2008.
2. Holm, S. Medical ultrasound transducers and beam forming, Proc. Int. Cong. Acoustics, pp. 339–342, 1995.
3. Eccardt, P., Niederer, K., and Fischer, B., Micromachined transducers for ultrasound applications. IEEE Trans. Ultrason. Ferroelectrics Freq. Contr. 2:1609–1618, 1997.
4. Jong, N., Sougnet, J., Faber, G., and Bom, N., Transducers in medical ultrasound. Ultrasonic. 23(4):176–182, 1985.
5. Chapelon, J. Y., Cathegnol, D., Cain, C., Ebbini, E., Kluiwstra, J. U., Sapozhikov, O., Fluery, G., Berriet, R., Chupin, L., Guey, J. L., New piezoelectric transducers for therapeutic ultrasound. Ultrasound Med. Biol., pp. 153–159, 2000.