@incollection{LinnemannBrummernhenrichJucks2019,
  author    = {Gesa Linnemann and B. Brummernhenrich and Regina Jucks},
  title     = {A matter of politeness? On the role of face-threatening acts in online tutoring},
  booktitle = {Face work and social media},
  editor    = {K. Bedijs and G. Held and C. Maaß},
  isbn      = {978-3-643-90435-5},
  year      = {2019},
}