@article{VogelZugck2009,
  author    = {Ralf Vogel and Marco Zugck},
  title     = {Counting Markedness},
  journal   = {Linguistics in Potsdam},
  series    = {a corpus investigation on German free relative constructions},
  volume    = {21},
  pages     = {105 -- 122},
  year      = {2009},
}