?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=K.&rft.au=Elias%2C+K.&rft.aulast=Elias&rft.date=2015&rft.title=Verdringing+in+Groningen%3F&rft.degree=Master