@inproceedings{taghvaipour:2005,
  author    = {Taghvaipour, Mehran A.},
  title     = {Persian free relatives},
  booktitle = {{Proceedings of the 12th International Conference on Head-Driven Phrase Structure Grammar, Department of Informatics, University of Lisbon}},
  editor    = {Müller, Stefan},
  OPTissn   = {15351793},
  doi       = {10.21248/hpsg.2005.21},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  pages     = {364--374},
  year      = {2005},
}

@inproceedings{taghvaipour:2005-cr,
  crossref  = {HPSG2005},
  author    = {Taghvaipour, Mehran A.},
  title     = {Persian free relatives},
  doi       = {10.21248/hpsg.2005.21},
  pages     = {364--374},
}

@proceedings{HPSG2005,
  editor    = {Müller, Stefan},
  title     = {{Proceedings of the 12th International Conference on Head-Driven Phrase Structure Grammar, Department of Informatics, University of Lisbon}},
  booktitle = {{Proceedings of the 12th International Conference on Head-Driven Phrase Structure Grammar, Department of Informatics, University of Lisbon}},
  publisher = {CSLI Publications},
  address   = {Stanford, CA},
  OPTissn   = {15351793},
  year      = {2005},
}