TY - JOUR A1 - Wegener, Michael A1 - Wirges, Werner A1 - Gerhard, Reimund T1 - Piezoelectric polyethylene terephthalate (PETP) foams : specifically designed and prepared ferroelectret films Y1 - 2005 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/13381 ER -