@book{4896,
	author = {Unión Internacional de Telecomunicaciones},
	title = {Monitoring our changing planet},
	publisher = {ITU},
	year = {2019},
	address = {Geneva},
	url = {https://www.itu.int/en/itunews/Documents/2019/2019-01/2019_ITUNews01-en.pdf},
	Remainder of title = {Critical spectrum for Earth observation from space}
}