1. A.C.X. Company Catalogue, Passive Damping Ski, Cambridge, MA.
2. Banno H., 1985. Proceedings of the 6th International Meeting on Ferroelectricity, IMF-6, Kobe and 1985. Jpn. J. Appl. Phys., 24(Suppl. 24–2), 445.
3. Ceramic Data Book 87;Banno,1987
4. Composites of PZT and Epoxy for Hydrostatic Transducer Applications
5. Materials Systems Inc, 1994. Catalog. Concord, MA.