?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=T.J.H.&rft.au=de+Jong%2C+T.J.H.&rft.aulast=de+Jong&rft.degree=Bachelor&rft.date=2018&rft.title=Measuring+Walkability+through+Street+Design+in+Groningen+and+Athens