<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Estermann, Beat</hi> (2015): „Diffusion of Open Data and Crowdsourcing among Heritage Institutions. Based on data from Finland, Poland, Switzerland, and The Netherlands“, in: <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">EGPA 2015 Conference</hi><ref xmlns="http://www.tei-c.org/ns/1.0" target="http://survey.openglam.ch/publications/EGPA2015_Estermann_Diffusion_of_Open_Data_and_Crowdsourcing_among_Heritage_Institutions_20150901.pdf">http://survey.openglam.ch/publications/EGPA2015_Estermann_Diffusion_of_Open_Data_and_Crowdsourcing_among_Heritage_Institutions_20150901.pdf</ref> [letzter Zugriff 26. August 2016].