24113 Kiel-Hassee: Werkgemeinschaft für Architektur und Städtebau (Heidrun Buhse, H.Schulze, a.o.), 21 dwelling units, reed sewage treatment plant, compost toilets, BHKW with local heating network, planning by architects, cooperative, participation, community house, kindergarten, architectural office, organic building form. Completion: 1992