1. Arcadis 2017. Top 5 resources. From supply to demand (in Dutch).
http://edepot.wur.nl/422138
Accessed 25 Nov 2017
2. Braungart M, McDonough W, Bollinger A (2007) Cradle-to-cradle design: creating healthy emissions strategy for eco-effective product and system design. J Clean Prod 15:1337–1348
3. European Commission (2014) The European Critical Raw Materials Review. MEMO/14/377 26/05/2014. Brussels.
http://europa.eu/rapid/press-release_MEMO-14-377_en.htm
. Accessed 2 June 2014
4. European Commission (2015) Closing the Loop—An EU Action Plan for the Circular Economy. Brussels, Belgium.
http://ec.europa.eu/priorities/jobs-growth-investment/circular-economy/docs/communicationaction-plan-for-circular-economy_en.pdf
. Accessed 17 Dec 2015
5. EIP Water (2017) European innovation partnership on water. Indicators of the governance capacity framework.
http://www.eip-water.eu/City_Blueprints
. Accessed 11 Oct 2017