Number of the records: 1
Acta Zoologica Fennica
- Acta
Acta Zoologica Fennica. 129. -- (1970), 129: A revision of the beetles of the genus Helophorus F. (Coleoptera: Hydrophilidae). Subgenera Orphelophorus d'Orchymont, Gephelophorus Sharp and Meghelophorus Kuwert. -- Helsinki : Societas pro Fauna et Flora Fennica, 1970.
zoologie. odborné časopisy
59. (051)-027.561
Number of the records: 1