@misc{Behrens2011,
  author    = {Leila Behrens},
  title     = {Einleitung: Empirische Argumentationstheorie},
  institution = {Extern},
  series    = {Arbeitspapier / Institut f{\"u}r Sprachwissenschaft, Universit{\"a}t K{\"o}ln},
  number    = {N.F. 56/1},
  year      = {2011}
}