HORSÁK, Michal and Kateřina NEUMANOVÁ. Distribution of Pisidium globulare Clessin, 1873 (Mollusca: Bivalvia) in the Czech Republic and Slovakia with notes to its ecology and morphological characters.
Journal of Conchology. 2004, vol. 38, No 4, p. 373-381. ISSN 0022-0019.