@conference {16680,
	title = {Multiple underlying systems: Translating user requests into programs to produce answers},
	booktitle = {Proceedings of the 28th annual meeting on Association for Computational Linguistics},
	year = {1990},
	month = {1990///},
	pages = {227 - 234},
	author = {Bobrow,R.J. and Resnik, Philip and Weischedel,R.M.}
}
