@inproceedings{pullum:2019,
  author    = {Pullum, Geoffrey K.},
  title     = {What grammars are, or ought to be},
  booktitle = {{Proceedings of the 26th International Conference on Head-Driven Phrase Structure Grammar, University of Bucharest}},
  editor    = {Müller, Stefan and Osenova, Petya},
  OPTissn   = {15351793},
  doi       = {10.21248/hpsg.2019.4},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  pages     = {58--78},
  year      = {2019},
}

@inproceedings{pullum:2019-cr,
  crossref  = {HPSG2019},
  author    = {Pullum, Geoffrey K.},
  title     = {What grammars are, or ought to be},
  doi       = {10.21248/hpsg.2019.4},
  pages     = {58--78},
}

@proceedings{HPSG2019,
  editor    = {Müller, Stefan and Osenova, Petya},
  title     = {{Proceedings of the 26th International Conference on Head-Driven Phrase Structure Grammar, University of Bucharest}},
  booktitle = {{Proceedings of the 26th International Conference on Head-Driven Phrase Structure Grammar, University of Bucharest}},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  OPTissn   = {15351793},
  year      = {2019},
}