?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=J.C.T.&rft.au=Bakker%2C+J.C.T.&rft.aulast=Bakker&rft.degree=Master&rft.title=The+changing+spatial+economic+structure+of+the+state+of+Michigan%2C+through+1970-2008.&rft.date=2011