@article{Wels2008,
  author    = {Wels, Volkhard},
  title     = {Melanchthon's Textbooks on Dialectic and Rhetoric as Complementary Parts of a Theory of Argumentation},
  isbn      = {978-2-600-01186-0},
  year      = {2008},
  language  = {en}
}
@article{Wels2013,
  author    = {Wels, Volkhard},
  title     = {Contempt for commentators : transformation of the commentary tradition in Daniel Heinsius' "Constitutio tragoediae"},
  isbn      = {978-90-5867-936-9},
  year      = {2013},
  language  = {en}
}