nLab
observable (history)

December 1, 2011

• Current (diff)
  by Urs Schreiber at December 1, 2011 01:11:50 from 82.113.99.199

July 21, 2011

• Revision 7 (diff)
  by Urs Schreiber at July 21, 2011 18:17:19 from 89.204.153.69

June 30, 2011

• Revision 6 (diff)
  by Urs Schreiber at June 30, 2011 14:33:26 from 82.93.78.115

October 20, 2010

• Revision 5 (diff)
  by Urs Schreiber at October 20, 2010 12:50:16 from 87.212.203.135

August 16, 2010

• Revision 4 (diff)
  by Toby Bartels at August 16, 2010 05:11:20 from 75.117.109.43

April 9, 2010

• Revision 3 (diff)
  by Zoran Škoda at April 9, 2010 19:13:36 from 193.55.10.104
• Revision 2 (diff)
  by Tim van Beek at April 9, 2010 19:10:27 from 87.174.112.233
• Revision 1
  by Zoran Škoda at April 9, 2010 18:19:49 from 193.55.10.104