• https://cris.unibo.it/handle/11585/928993
• https://cris.unibo.it/handle/11585/963950
• https://cris.unibo.it/handle/11585/1003129
• https://cris.unibo.it/handle/11585/913036
• https://cris.unibo.it/handle/11585/939254
• https://cris.unibo.it/handle/11585/952656
• https://cris.unibo.it/handle/11585/892287
• https://cris.unibo.it/handle/11585/931056
• https://cris.unibo.it/handle/11585/986279
• https://cris.unibo.it/handle/11585/1017558
• https://cris.unibo.it/handle/11585/898331
• https://cris.unibo.it/handle/11585/941375