Hard-working members of the Hochholdinger group

Links
- https://www.inres.uni-bonn.de/cfg/en/c-f-g/news/european-field-season-starting/maize-cka-2.jpg/image_view_fullscreen
- https://www.inres.uni-bonn.de/cfg/en/c-f-g/news/european-field-season-starting/maize-cka-2.jpg/@@download/image/maize-cka-2.jpg