Faculty of Chemistry, Institute of Inorganic Technology and Mineral Fertilizers, Wrocław University of Technology, ul. Smoluchowskiego 25, 50-371 Wrocław, Poland
Krystyna Hoffmann
Faculty of Chemistry, Institute of Inorganic Technology and Mineral Fertilizers, Wrocław University of Technology, ul. Smoluchowskiego 25, 50-371 Wrocław, Poland
Józef Hoffmann
Faculty of Chemistry, Institute of Inorganic Technology and Mineral Fertilizers, Wrocław University of Technology, ul. Smoluchowskiego 25, 50-371 Wrocław, Poland