@inproceedings{Taghvaipour2005,
  author    = {Mehran A. Taghvaipour},
  title     = {Persian free relatives},
  booktitle = {Proceedings of the ... International Conference on Head-Driven Phrase Structure Grammar (HPSG)},
  volume    = {12.2005},
  pages     = {364 -- 374},
  doi       = {10.21248/hpsg.2005.21},
  year      = {2005},
}