NOVIKMEC, Milan et al. Limnology of streams in the Poloniny National Park (the East Carpathians, Slovakia). Rec. Jarmila Makovinská, Igor Hudec. Zvolen : Technical University in Zvolen, 2007. 69 p. 1/6275/99 ; 1/8200/01 ; 1/1291/04 ; 1/4341/07 ; 1/4355/07 ; 1/4353/07 ; MSM 0021622412. ISBN 978-80-228-1824-7.