@book{409,
	author = {Proakis, John G. and salehi, masoud.},
	title = {Fundamentals of Communication Systems },
	publisher = {Pearson,},
	year = {2013.},
	address = {New Delhi},
	edition = {11th ed.},
	note = {Day to Day Calendar.},
	url = {http://10.10.170.122:8080/browse/book/24939}
}