?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Wagner%2C+Felix&rft.aulast=Wagner&rft.aufirst=Felix&rft.degree=Master&rft.title=Moving+at+an+older+age-Encouragements+%26+Obstacles+-+Emperical+evidence+from+the+Ruhr+area&rft.date=2021&rft.tpages=46