Maria Przybylska
Gagarina 11, PL-87–100 Torun, Poland
Licealna 9, PL-65–417 Zielona Gora, Poland
Licealna 9, PL-65–417 Zielona Gora, Poland
Torun Center for Astronomy, N. Copernicus University
Institute of Physics, University of Zielona Gora
Institute of Physics, University of Zielona Gora