Magazine 13-2 (December 2008): 20 Years OOTI
- 20 Years OOTI – editorial
- Survey 2006 results – Tom Geelen, Roxana Frunza, Claudia Peter
- Interview with dr. Ad Aerts – Jorn Bakker
- 20 Years OOTI; a Retrospect – Menno Lindwer
- XOOTI’s: A Dream Team? – Hans Sassenburg
Complete magazine (
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