Libellenlarven van Nederland: The life histories of Ischnura elegans (van der Linden) and Coenagrion puella (L.) (Odonata) in south Lancashire. Proceedings of the royal entomological Society of London, (A) 45: 172-181.

Literature

Auteur(s)	Parr, M. J.
Jaar	1970
Titel	The life histories of Ischnura elegans (van der Linden) and Coenagrion puella (L.) (Odonata) in south Lancashire. Proceedings of the royal entomological Society of London, (A) 45: 172-181.