?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Leeuwarden%2C+J.G.J.+van&rft.aulast=Leeuwarden&rft.aufirst=J.G.J.+van&rft.degree=Bachelor&rft.title=Geographic+Dispersion+of+Sex+Offenders+-+A+spatial+analysis+of+residential+locations+of+sex+offenders+in+the+Rochester+Metropolitan+Statistical+Area&rft.date=2011