contributions to a state of the art
149-173
78-91
6-23
4-22
78-87
27-51
30-41
146-157
1-3
171-192
notes for reflection
66-85
200-221
157-182
82-107
an approach to the state of the art
54-81
146-163
historical trajectories of a relation (1821-1950)
108-139
60-67
55-76
Precipitated or thoughtful action
9-31