?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Singleton%2C+AD&rft.aufirst=AD&rft.aulast=Singleton&rft.atitle=Data+infrastructure+requirements+for+new+geodemographic+classifications%3A+The+example+of+London's+workplace+zones&rft.volume=109&rft.title=Applied+Geography&rft.date=August+2019&rft.issn=0143-6228&rft.genre=article