@InProceedings{Keselj2001d,
  AUTHOR         = {Vlado Keselj},
  TITLE          = {Modular HPSG},
  BOOKTITLE      = {Proceedings of the 2001 IEEE Systems, Man, and Cybernetics Conference},
  YEAR           = {2001},
  MONTH          = {October},
  ADDRESS        = {Tucson, Arizona, USA},
}