1.
Dalhem - Herve. Carte géologique de Wallonie à l'échelle 1:25.000. 42/3-4. Notice explicative ; Dalhem - Herve. Geological map of Wallonia at the scale of 1:25.000. 42/3-4. Leaflet...
2.
Répartition, habitat et conservation des amphibiens du Pays de Herve ; Distribution, habitat and conservation of amphibians in Pays de Herve (Belgium)
Conservation of newt guilds in an agricultural landscape of Belgium: the importance of aquatic and terrestrial habitats
Similar local and landscape processes affect both a common and a rare newt species
Landscape-level thresholds and newt conservation
