Waldstein’ s collection in herbarium of the National museum in Prague. Jindřich Chrtek sen., Blanka Skočdopolová 1982 | volume 38 | issue 4 | pages 201–238 PDF
Results of investigations in spatial activity of the Common frog, Rana temporaria L., 1758, in Krkonoše National Park. Ivan Heráň 1982 | volume 38 | issue 4 | pages 239–264 PDF
