@book{58644,
	author = {Ifeachor E ,. and Jervis B .W .,},
	title = {Digital Signal Processing A Practical Approach 2 nd ed /},
	publisher = {Dorling Kindersley (India) Pvt.Ltd. Licensees of Pearson Education},
	year = {2013},
	address = {New Delhi},
	edition = {2 nd ed .}
}