?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Siekman&rft.au=Siekman%2C+H.I.W.&rft.aufirst=H.I.W.&rft.title=Personal+attributes+and+place+characteristics+in+elderly+migration+in+the+Netherlands&rft.date=2012&rft.degree=Master