@book{66554,
	author = {Maclean, T.S.M},
	title = {Principles of Antennas: wire and aperture },
	publisher = {Combridge university,},
	year = {1986.},
	address = {Cambridge:},
	url = {https://books.google.com.pk/books?id=JVB2QgAACAAJ&dq=principles+of+antennas+wire+and+aperture+by+maclean&hl=en&sa=X&redir_esc=y}
}