Trott, Paul; Duin, Patrick Van Der; Hartmann, Dap - In: Prometheus 31 (2013) 2, pp. 125-138
<italic>Considering users as innovators has gained considerable support over the past 30 years. Eric von Hippel's work in this area forms a significant part of the theoretical underpinning and evidence behind this concept. Many further studies have been undertaken to support it. It has contributed to...</italic>