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V. ANDRUCH
Department of Physical and Analytical Chemistry, P. J. Safárik University
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I. S. BALOGH
Department of Chemistry, College of Nyíregyháza
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K. FLÓRIÁN
Department of Physical and Analytical Chemistry, P. J. Safárik University Department of Chemistry, Technical University of Kosice
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M. MATHERNY
Department of Chemistry, Technical University of Kosice