7 Puentes y conectores...................................................................................... 164
9 Obtención de ayuda......................................................................................... 175
.......................................................................................... 151
.......................................................................................... 152
........................................................................................ 155
.................................................................................. 160
........................................................................................................................ 160
........................................................................................................................160
.............................................................................................................160
....................................................................................................................... 161
..................................................................................... 164
.............................................................................................................165
......................................................................................167
...............................................................................................175
.............................................................................................175
........................................................... 149
........................................................... 150
.............................................................................151
................................................. 151
........................................................................ 152
..........................................................153
.........................................................................153
.....................................................................155
................................................................................. 156
..................................................................... 157
................................................ 158
............................................................................ 159
.............................................................................. 162
.................................................................. 163
......................................................................... 175
.................................................. 176
......................................... 157
.......................................162
...................... 162
........... 162
7