Commons-based peer production and digital fabrication : the case of a RepRap-based, Lego-built 3D printing-milling machineKostakis, Vasileios; Papachristou, MariosTelematics and informatics2014 / p. 434-443 : ill https://doi.org/10.1016/j.tele.2013.09.006 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS