Mites (Acari), beetles (Coleoptera) a fleas (Siphonaptera) in the nests of great reed warbler (Acrocephalus arundinaceus) and reed warbler (A. scirpaceus) / Ján Krištofík, Peter Mašán, Zbyšek Šustek. Biologia. Section A. Section B. Section C, Botany. Zoology. Cellular and molecular biology Roč. 56, č. 5 (2001), s. 525-536