Template:Fikáček & Boukal, 2004
- Fikáček, M.; Boukal, M. 2004: Pachysternum capense, a new genus and species for Europe, and updated key to genera and subgenera of European Sphaeridiinae (Coleoptera: Hydrophilidae). Klapalekiana, 40: 1–12. Full article (PDF)