@article {16510,
	title = {Parsimonious covering as a method for natural language interfaces to expert systems* 1},
	journal = {Artificial Intelligence in Medicine},
	volume = {1},
	year = {1989},
	month = {1989///},
	pages = {49 - 60},
	author = {Dasigi,V. R and Reggia, James A.}
}
