http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855metzograph screens http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 halftone screens BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 grain screens UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 metzograph screen UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 mezzograph screens UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 mezzotint screens UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 photomezzotint screens UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 screens, grain UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 screens, metzograph UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 screens, mezzograph UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 screens, mezzotint UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31444855 screens, photomezzotint UF