@book{778733,
	author = {DENNIS RODDY and JOHN COOLEN},
	title = {ELECTRONIC COMMUNICATION IV ED},
	publisher = {ASHOK K GHOSH PRENTIC HALLOF INDIA PVT LTD M-97 CONNAUGHT CIRCUS N.DELHI 100 001},
	year = {1900},
	address = {NEW DELHI}
}