Berthoin Antal, Ariane & Strauß, Anke 2013. Artistic interventions in organisations: Finding evidence of values-added. Creative Clash Report. Berlin: WZB. Available at: www.creativeclash.eu/wp-content/uploads/2013/03/Creative-Clash-Final-Report-WZB-Evidence-of-Value-added-Artistic-Interventions.pdf, (accessed 12.4.2013).