(a) 3 columns of 12 ciceros, separated by a 1­cicero space: (i) text in 9/10 point (67 lines) (ii) headings and subheadings in 9, 12, 16, 20 point (iii) running heads and notes in 6 or 7 point
Disposición: a) 3 columnas de 12 ciceros, separadas por un blanco de 1 cicero: