@techreport{Bateman91-constraints,
  author	= {Bateman, John A.},
  year		= {1991},
  title		= {Language as constraint and language as resource: a convergence of metaphors in systemic-functional grammar},
  note		= {Written version of paper presented at the International Workshop on Constraint-based Formalisms for Natural Language Generation, November 27-30, 1990, Bad Teinach},
  address	= {Darmstadt, Germany},
  institution	= {Gesellschaft f{\"u}r Mathematik und Datenverarbeitung -- Institut f{\"u}r Integrierte Publikations- und Informationssysteme}
}