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2. Adapting green-blue roofs to Nordic climate;Thodesen;Nordic J. Arch.,2018
3. Klimatilpasningsstrategihttps://www.oslo.kommune.no/politikk-og-administrasjon/miljo-og-klima/miljo-og-klimapolitikk/klimatilpasningsstrategi/
4. City of Vancouver, Green Building and Renovatinghttp://vancouver.ca/home-property-development/green-building-and-renovating.aspx
5. The Potential of Green-Blue Roof to Manage Storm Water in Urban Areas;Shafique;NEPT,2016