@book{5462,
	author = {Spyratos, Spyridon  and Comisión Europea.},
	title = {Migration data using social media},
	publisher = {Oficina de Publicaciones,},
	year = {2018.},
	series = {JRC Technical Reports},
	address = {Luxemburgo :},
	url = {https://publications.jrc.ec.europa.eu/repository/bitstream/JRC112310/facebook_study_v3.pdf},
	Remainder of title = {: a European perspective.}
}