1. Appendix 7: Lot 11-“Circulators in buildings.”;AEA Energy & Environment,2008
2. The key to success in innovation part I: the art of interessement;Akrich;Int. J. Innov. Manag.,2002
3. Energy+ pumps – technology procurement for very energy efficient circulation pumps: first results of the current IEE-project;Barthel,2007
4. Energy conservation characteristics of various pumping systems compared with variable speed systems;Becker;ASHRAE,1974
5. Socio-technical regimes and transition contexts;Berkhout,2004