"0"^^ . "WDS\u00B408 Proceedings of Contributed Papers: Part II - Physics of Plasmas and Ionized Media" . . "0"^^ . "UQZVY2JjzTFGZ-W1ckER5ect-HE=" . "0"^^ . . . . "Analysis of critical frequencies in the ionosphere" . "0"^^ . . "RIV/00216208:11320/08:00100707!RIV09-GA0-11320___" . "1"^^ . . . . . . . "\u010Cl\u00E1nek ve sborn\u00EDku m\u00E1 uvedeno ISBN nebo ISSN, ale to nen\u00ED v datab\u00E1zi Conference Proceedings Citation Index spole\u010Dnosti Thomson Reuters." . "http://www.isvav.cz/h12/resultDetail.do?rowId=RIV%2F00216208%3A11320%2F08%3A00100707!RIV09-GA0-11320___"^^ .