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)