@inproceedings{richter-soehn:2006,
  author    = {Richter, Frank and Soehn, Jan-Philipp},
  title     = {\emph{Braucht niemanden zu scheren}: {A} survey of {NPI} licensing in {German}},
  booktitle = {{Proceedings of the 13th International Conference on Head-Driven Phrase Structure Grammar, Varna}},
  editor    = {Müller, Stefan},
  OPTissn   = {15351793},
  doi       = {10.21248/hpsg.2006.23},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  pages     = {421--440},
  year      = {2006},
}

@inproceedings{richter-soehn:2006-cr,
  crossref  = {HPSG2006},
  author    = {Richter, Frank and Soehn, Jan-Philipp},
  title     = {\emph{Braucht niemanden zu scheren}: {A} survey of {NPI} licensing in {German}},
  doi       = {10.21248/hpsg.2006.23},
  pages     = {421--440},
}

@proceedings{HPSG2006,
  editor    = {Müller, Stefan},
  title     = {{Proceedings of the 13th International Conference on Head-Driven Phrase Structure Grammar, Varna}},
  booktitle = {{Proceedings of the 13th International Conference on Head-Driven Phrase Structure Grammar, Varna}},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  OPTissn   = {15351793},
  year      = {2006},
}