1. G. Caliano, F. Galanello, A. Caronti, R. Carotenuto, and M. Pappalardo, Ultrasonics Symposium (IEEE, 2000), vol. 1, p. 963.
2. E. Cianci, V. Foglietti, G. Caliano, and M. Pappalardo, Microelectronic Engineering, 61/62, 1025 (2002)
3. Ferroperm?High Quality Piezoelectric Ceramic components for the electronics industry, http://www.ferroperm-piezo.com/ferroperm_material_data.xls
4. P.B. Kirby, Q.X. Su, E. Komuro, Q. Zhang, M. Imura, and R.W. Whatmore, PZT Thin Film Bulk Acoustic Wave Resonator and Filters, 2001 IEEE International Frequency Control Symposium and PDA Exhibition (IEEE, Seattle, WA, USA, 2001), p. 687.
5. F.F.C. Duval, R.A. Dorey, R.H. Haigh, and R.W. Whatmore, Stable Ti/O2/Pt Electrode Structure for Lead Containing Ferroelectric Thick Films on Silicon MEMS Structures, Thin Solid Films, 444, 235 (2003).