@book{63249,
	author = {DIA INTERNACIONAL DE LOS TRABAJADORES and UGT},
	title = {1º de Mayo Madrid 2020},
	publisher = {CCOO Madrid,},
	year = {2020},
	address = {[Madrid] :},
	url = {https://docpublicos.ccoo.es/cendoc/071117ManifConjuntoMADRID2021.pdf}
}