@book{76366,
	author = {Fortmann, Michel},
	title = {Balance of power  theory and practice in the 21st century},
	publisher = {[Editorial desconocida]},
	year = {[fecha desconocida]},
	address = {[Lugar desconocido]},
	edition = {Stanford, California},
	url = { http://www.loc.gov/catdir/enhancements/fy0710/2004011433-d.html}
}