@conference {OA2212,
	title = {FILTERS: Fractional vs Integer order},
	booktitle = {Symposium on Fractional Signals and Systems, Lisbon?09},
	year = {2009},
	note = {n/a},
	abstract = {n/a},
	url = {http://oa.uninova.pt/2212/},
	author = {Matos, C. and Batista, A.G. and Ortigueira, M.D.}
}
