@techreport{JussenFrankEmontsHolleyetal.2023,
  author    = {Philipp Jussen and Jana Frank and Roman Emonts-Holley and Felicia Kufferath-Kaßner},
  title     = {CSS 2.0 - Customer-Service-Scorecard 2.0},
  institution = {FIR e. V. an der RWTH Aachen},
  pages     = {45 S.},
  year      = {2023},
}