Balke, M., M. A. Jach and L. Hendrich (2004) Insecta: Coleoptera. Freshwater Invertebrates of the Malaysian Region: 555-609.
http://www.wasserkaefer.de/Malaysia/Balke%20et%20al%20Malaysia%20Book.pdf
Balke, M., M. A. Jach and L. Hendrich (2004) Insecta: Coleoptera. Freshwater Invertebrates of the Malaysian Region: 555-609.
http://www.wasserkaefer.de/Malaysia/Balke%20et%20al%20Malaysia%20Book.pdf