@article {antunes2009cognitive,
	title = {A Cognitive Model for Frequency Signal Classification},
	journal = {International Journal of Mathematical, Physical and Engineering Sciences},
	volume = {3},
	number = {4},
	year = {2009},
	note = {n/a},
	pages = {240{\textendash}245},
	publisher = {Citeseer},
	abstract = {n/a},
	author = {Antunes, R. and Coito, F. V.}
}
