@book{59385,
	author = {Phillips . C ,. and Parr . J ,},
	title = {Signal Systems and Transforms 4 th ed /},
	publisher = {Dorling Kindersley (India) Pvt.Ltd. Licensees of Pearson Education},
	year = {2013},
	address = {New Delhi},
	edition = {4 th  ed .}
}