http://127.0.0.1/xmlui/handle/123456789/16842 Fri, 17 Apr 2026 02:27:19 GMT 2026-04-17T02:27:19Z http://127.0.0.1/xmlui/handle/123456789/16843 Electro- Mechanical Interaction in Piezo-Electric Crystals Paul, H S Mon, 01 Oct 1962 00:00:00 GMT http://127.0.0.1/xmlui/handle/123456789/16843 1962-10-01T00:00:00Z