| Citation | Knijf, G. D., A. Anselin and P. Goffart 2003 Trends in dragonfly occurrence in Belgium (Odonata). Proceedings 13th international colloquium European Invertebrate Survey, Leiden, 2-5 September 2001. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 89760 |
| Language | English |
| Usage | used in part |
| Remarks | |
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