30 May 2013
- 18:2818:28, 30 May 2013 diff hist +845 IFD:HumanCenteredDesignResearch SoSe13/team3 →Mentor's comments
- 18:0018:00, 30 May 2013 diff hist +906 IFD:HumanCenteredDesignResearch SoSe13/team2 →Mentor's comments
- 17:3217:32, 30 May 2013 diff hist +906 IFD:HumanCenteredDesignResearch SoSe13/team1 →Mentor's comments