@misc{TesarSchremser,
  author    = {Tesar, Michael and Schremser, Daniela},
  title     = {Yaplaf++ und Moodle: Ein Plagiatsfinder im Praxiseinsatz},
  subject      = {Yaplaf++},
  language  = {de}
}
@misc{TesarSchremser,
  author    = {Tesar, Michael and Schremser, Daniela},
  title     = {Open Source Software zur Erstellung von Lehrmaterialien},
  subject      = {Open Source},
  language  = {de}
}