Ecological Importance of Selected Species in the Erft River around Bad Münstereifel (Biology, 1992) |
|||
Ulrike Arnold, Christian Bornkessel, Daniela Lippik | Supervisor Karl Heuel | ||
Ulrike Arnold and Christian Bornkessel at their exhibit at the regional contest |
Disclaimer, privacy policy, imprint | Miniforschung - St. Michael-Gymnasium Bad Münstereifel | Webmaster Miniforschung Eric Plum |