@book{4667,
	author = {Balanis, Constantine A.,},
	title = {Antenna theory: analysis and design},
	publisher = {Wiley-India,},
	year = {c1997.},
	address = {New Delhi :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/wiley037/96012134.html}
}