?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Hagedoorn%2C+P.&rft.aulast=Hagedoorn&rft.aufirst=P.&rft.title=Regional+analysis+of+old-age+mortality+in+the+Northern+Netherlands&rft.degree=Master&rft.date=2010