Markus Feilner
- Mapper since:
- 18 август 2008
- Last map edit:
- 24 июль 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.