Are 'pseudonymised' data always personal data? Implications of the GDPR for administrative data research in the UK

Miranda Mourby, Elaine Mackey, Mark Elliot, Heather Gowans, Susan E. Wallace, Jessica Bell, Hannah Smith, Stergios Aidinlis, Jane Kaye. Are 'pseudonymised' data always personal data? Implications of the GDPR for administrative data research in the UK. Comput. Law Secur. Rev., 34(2):222-233, 2018. [doi]

@article{MourbyMEGWBSAK18,
  title = {Are 'pseudonymised' data always personal data? Implications of the GDPR for administrative data research in the UK},
  author = {Miranda Mourby and Elaine Mackey and Mark Elliot and Heather Gowans and Susan E. Wallace and Jessica Bell and Hannah Smith and Stergios Aidinlis and Jane Kaye},
  year = {2018},
  doi = {10.1016/j.clsr.2018.01.002},
  url = {https://doi.org/10.1016/j.clsr.2018.01.002},
  researchr = {https://researchr.org/publication/MourbyMEGWBSAK18},
  cites = {0},
  citedby = {0},
  journal = {Comput. Law Secur. Rev.},
  volume = {34},
  number = {2},
  pages = {222-233},
}