TY - JOUR A1 - Paajanen, Mika A1 - Wegener, Michael A1 - Gerhard, Reimund T1 - Charging of cellular space-charge electret films in various gas atmospheres Y1 - 2001 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/18146 SN - 0-7803-7053-8 ER -