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Should you have any questions on ÖKOBAUDAT, please do not hesitate to contact Referat II 6 Bauen und Umwelt at Bundesinstitut für Bau-, Stadt- und Raumforschung - BBSR (Federal Institute for Research on Building, Urban Affairs and Spatial Development).

E-Mail: referat-2-6(at)

The brochure can be ordered free of charge from referat-2-6(at)