Special Gallery 1987
Soil Erosion and Pollutant Erosion by the River Erft

Markus Kaspari, Michael Mittelstaedt - Regional Contest Markus Kaspari - Regional Contest Markus Kaspari, Michael Mittelstaedt - Regional Contest
Markus Kaspari and Michael Mittelstaedt present their work Markus at the regional competition Markus and Michael win the special award "Clean Experimentation"
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