LIBICH, Jan, HARMANEC, Petr, YANG, S., HADRAVA, Petr, KOUBSKÝ, Pavel, ŠKODA, Petr, ŠLECHTA, Miroslav, AERTS, C., DE CAT, P. Duplicity of epsilon Persei confirmed. In: ŠAFRÁNKOVÁ, J., ed. Week of doctoral students 2003. Proceedings of contributed papers. Part III. Praha: Matfzypress, 2003, s. 496-501.