?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Daan&rft.au=Spoor%2C+Daan&rft.aulast=Spoor&rft.title=The+effects+of+COVID-19+on+bicycle+mobility+in+Groningen&rft.tpages=66&rft.date=2022&rft.degree=Master