@article{j:main83,
	title = {Denotational Semantics for Natural Language Question-Answering
  Programs},
	author = {Michael G. Main and David B. Benson},
	journal = {American Journal of Computational Linguistics},
	number = {1},
	pages = {11--21},
	volume = {9},
	year = {1983},
	biburl = {http://www.bibsonomy.org/bibtex/203f7445322f19c6d97f94458ba462ada/nlp},
	keywords = {2000 book nlp }
}