@book{35450,
	author = {Wanhammar, Lars. and SpringerLink (Online service)},
	title = {Analog Filters Using MATLAB},
	publisher = {Springer US,},
	year = {2009.},
	address = {Boston, MA :},
	url = {http://dx.doi.org/10.1007/978-0-387-92767-1}
}