PRIMERA PLANA – COLOR LITHOGRAPHY ON NEWSPRINT PAPER, BASED ON THE PREDOMINANT COLORS AND LAYOUT OF THE FRONT PAGES OF THE DAILY NEWSPAPERS EL TIEMPO AND EL ESPECTADOR, AND OF THE WEEKLY NEWSPAPER VOZ, DURING A GIVEN MONTH. Front Page January Primera Plana Enero Front Page February Primera Plana Febrero Front Page March Primera Plana Marzo Front Page February Primera Plana Febrero