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Passive Houses in Europe and Asia

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Ecological water and sanitation systems in remodelled urban housing estates in Europe and Asia

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Decentralized Rainwater management as measure for sustainable development of housing estates (In German: Dezentrales Regenwassermanagement als Maßnahme für eine nachhaltige Entwicklung von Siedlungsgebieten)

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Passive Solar Architecture in Europe (In German: Passive Solar-Architektur in Europa)

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Decentralized, water and sanitation systems in Hamburg/Germany and Seoul/South-Korea