@book{21395,
	author = {Basu, T. K.},
	title = {Digital Signal Processing:},
	publisher = {Indian Insitiute of Technology},
	address = {Kharagpur},
	url = {http://video.snu.edu.in/index.php?id=1894&cat=Electrical Engineering&course=Digital Signal Processing&url=Phase1_Video/108105055/lec07.mp4}
}