@incollection{LobinRoesler2018,
  author    = {Henning Lobin and Dietmar R{\"o}sler},
  title     = {Tutoring Systems and Computer-Assisted Language Learning (CALL)},
  series = {Handbook of Technical Communication},
  editor    = {Alexander Mehler and Laurent Romary},
  publisher = {de Gruyter},
  address   = {Berlin (u.a.)},
  isbn      = {978-3-11-018834-9},
  doi       = {10.1515/9783110224948.571},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:mh39-75918},
  pages     = {571 -- 589},
  year      = {2018},
  language  = {en}
}