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 Mapping the types of modularity in open-source hardwareGavras, Kosmas; Kostakis, VasileiosDesign Science2021 / e13 https://doi.org/10.1017/dsj.2021.11 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS