Source: https://www.researchgate.net/profile/Severine_Lagneaux/publication/272433064_De_la_traite_robotisee_au_raid_d'avatars_Incorporation_et_virtualisation/links/574eb8e708ae65bd57c4fb99/De-la-traite-robotisee-au-raid-davatars-Incorporation-et-virtualisation.pdf