http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832film projection systems http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 systems by function BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 digital projection RT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 VistaVision (TM) NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 film projection system UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 film projectors UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 system, film projection UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31306832 projectors BT