title: [Educational conference on biological diversity and ecology of parasites in the aquatic ecosystem. Conference dedicated to Wincenty Lesława Wiśniewski].
mesh_terms: D017756:Aquaculture; D044822:Biodiversity; D049673:History, 20th Century; D049674:History, 21st Century; D010274:Parasitology / Q000266:history; D011044:Poland