Markus Feilner
- Mapadore dae su:
- 18 austu 2008
- Last map edit:
- 24 trìulas 2021
Markus Feilner is an open source journalist, Author of several books and IT consultant since the mid 1990ies.
OpenStreetMap
Markus Feilner is an open source journalist, Author of several books and IT consultant since the mid 1990ies.