@inproceedings{dekuthy-meurers:2003,
  author    = {De Kuthy, Kordula and Meurers, W. Detmar},
  title     = {Dealing with optional complements in {HPSG}-based grammar implementations},
  booktitle = {{Proceedings of the 10th International Conference on Head-Driven Phrase Structure Grammar, Michigan State University}},
  editor    = {Müller, Stefan},
  OPTissn   = {15351793},
  doi       = {10.21248/hpsg.2003.5},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  pages     = {88--96},
  year      = {2003},
}

@inproceedings{dekuthy-meurers:2003-cr,
  crossref  = {HPSG2003},
  author    = {De Kuthy, Kordula and Meurers, W. Detmar},
  title     = {Dealing with optional complements in {HPSG}-based grammar implementations},
  doi       = {10.21248/hpsg.2003.5},
  pages     = {88--96},
}

@proceedings{HPSG2003,
  editor    = {Müller, Stefan},
  title     = {{Proceedings of the 10th International Conference on Head-Driven Phrase Structure Grammar, Michigan State University}},
  booktitle = {{Proceedings of the 10th International Conference on Head-Driven Phrase Structure Grammar, Michigan State University}},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  OPTissn   = {15351793},
  year      = {2003},
}