@book{27978, author = {Desconocido}, title = {Libertad :}, publisher = {s.n.,}, year = {[ca. 1972]}, series = {Proyecto Carteles del cambio (2018)}, address = {S.l. :}, url = {http://biblioteca.andalucia.ccoo.es:8080/intranet-tmpl/prog/local_repository/documents/27978.pdf} }