TY - JOUR A1 - Liperovsky, Viktor A. A1 - Pochotelov, O. A. A1 - Liperovskaya, E. V. A1 - Parrot, M. A1 - Meister, Claudia-Veronika A1 - Alimov, O. A. T1 - Modifications of sporadic E-layers caused by seismic activity T2 - Preprint NLD Y1 - 1998 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/22428 SN - 1432-2935 VL - 49 PB - Univ. CY - Potsdam ER -