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Elżbieta Jartych
Institute of Electronics and Information Technology, Lublin University of Technology, 38A Nadbystrzycka Str., 20-618 Lublin, Poland, Tel.: +48 81 538 4618, Fax: +48 81 538 4312
Ludmila M. Kubalova
Department of Chemistry, North Ossetian State University after K. L. Khetagurov, 44-46 Vatutina Str., 362025 Vladikavkaz, Russia
Victoria I. Fadeeva
Department of Chemistry, M. V. Lomonosov Moscow State University, Leninsky Gory, 119899 Moscow, Russia