1. Berlin, Marie (2007) Researcher at Statistics Sweden, Interview in Stockholm, May 23.
2. Björk, Margareta (2007) Chairman of the Södermalm district administration's political committee, Stockholm, Interview in Stockholm, May 23.
3. Börjesson, Py (2007) Head of the Development Committee 2002–2006, Stockholm, Interview in Stockholm, June 4.
4. Cederquist, Björn (2007) Head of Planning, Hammarby Sjöstad, Stockholm, Interview in Stockholm, May 24.
5. Kaijansinkko, Matti (2008) Head of Planning, Länsisatama, City Planning Department of Helsinki, Interview in Helsinki, January 22.