<anchor xmlns="http://www.tei-c.org/ns/1.0" xml:id="id_docs-internal-guid-501e6c2d-233e-e592-90fa-a62298d67e34" /><hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Prestopnik, Nathan R.</hi> (2011): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Citizen Science Case Study</hi>. Galaxy Zoo / Zooniverse <ref xmlns="http://www.tei-c.org/ns/1.0" target="http://citsci.syr.edu/system/files/galaxyzoo.pdf">http://citsci.syr.edu/system/files/galaxyzoo.pdf</ref> [letzter Zugriff 15. Oktober 2015].