@book{5238,
	author = {Unión Internacional de Telecomunicaciones},
	title = {Terrestrial wireless communications},
	publisher = {ITU,},
	year = {2019},
	address = {Geneva :},
	url = {https://www.itu.int/en/itunews/Documents/2019/2019-04/2019_ITUNews04-en.pdf},
	Remainder of title = {: Identifying, managing and harmonizing radio-frequency spectrum}
}