@techreport{acton2021best,
  title = {Best Practice Guidelines for the EU Code of Conduct on Data Centre Energy Efficiency}
  author = {Acton, M. and Bertoldi, P. and Booth, J. and , },
  url = {https://e3p.jrc.ec.europa.eu/sites/default/files/documents/publications/jrc123653_jrc119571_2021_best_practice_guidelines_final_v1_1.pdf},
  year = {2021}
}