@article{HossfeldHeegaardSkrorinKapovetal.2020,
  author    = {Tobias Hoßfeld and Poul E. Heegaard and Lea Skrorin-Kapov and Mart{\´i}n Varela},
  title     = {Deriving QoE in systems: from fundamental relationships to a QoE-based Service-level Quality Index},
  journal   = {Quality and User Experience},
  volume    = {5},
  doi       = {10.1007/s41233-020-00035-0},
  year      = {2020},
}