11 nov 2009
- 14:5714:57, 11 nov 2009 diff cron +8 Logaritmo →Cenni storici
- 14:5614:56, 11 nov 2009 diff cron −8 Logaritmo →Cenni storici
24 ott 2008
18 apr 2008
- 15:1315:13, 18 apr 2008 diff cron +10 Acronimo →Collegamenti esterni
17 apr 2008
- 18:0818:08, 17 apr 2008 diff cron +119 Acronimo →Collegamenti esterni