Πιεζοηλεκτρισμός: Διαφορά μεταξύ των αναθεωρήσεων

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Γραμμή 24:
* [https://web.archive.org/web/20070402113350/http://www.physikinstrumente.com/en/products/piezo_tutorial.php Piezo Tutorial, PI (Physik Instrumente)] — Designing Nanopositioning Systems with Piezoelectric Actuators
* [https://web.archive.org/web/20070709200844/http://www.treehugger.com/files/2006/08/japan_ticket_gates.php Japan: Producing Electricity from Train Station Ticket Gates] — Piezo elements used in train station ticket gates.
* [http://www.cpd.wm.edu The Center for Piezoelectrics by Design] {{Webarchive|url=https://web.archive.org/web/20180129142923/http://www.cpd.wm.edu/ |date=2018-01-29 }} — A consortium for research into the theoretical prediction and experimental realization of new members of a unique class of materials, piezoelectrics.
* [https://web.archive.org/web/20070929000743/http://www.piezomaterials.com/ Piezoelectric materials properties]. Covers crystals, ceramics, etc.
* [http://www.efunda.com/materials/piezo/piezo_math/math_index.cfm "Piezoelectric Constitutive Equation" from ''Engineering Fundamentals'']