4
5
6
Visión general ..........................................................................................................................................68
pulsación ..............................................................................................................................................69
7
Visión general ..........................................................................................................................................79
8
Visión general ..........................................................................................................................................90
Otras fuentes de información...................................................................................................................92
®
®
®
..............................................................................................................71
®
............................................................................................................75
®
..............................................................................................................82
®
............................................................................................................86
®
:
24
47
68
79
90
iv