Materials to the knowledge of aquatic beetle fauna (Coleoptera) in mid-western Poland (Lubuskie Province) - Rychła, Anna; Buczyński, Paweł (Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej)
Keywords: diversity; species richness; freshwaters; ponds; rare species; endangered species; protected species; Macroplea appendiculata; Rhantus incognitus