p00414
Rolf
Todesco
p00005
Heinz
von
Foerster
p00414->p00005
p00029
Joseph
Weizenbaum
p00414->p00029
p00003
Noam
Chomsky
p00414->p00003
p00019
Ernst
von
Glasersfeld
p00414->p00019
p00005->p00029
p00005->p00003
p00005->p00019
p00029->p00003
p00029->p00019
p00019->p00005
p00019->p00003