Tham khảo GEIPAN

  1. GEIPAN stands for Groupe d'Études et d'Informations sur les Phénomènes Aérospatiaux Non-identifiés (unidentified aerospace phenomenon research and information group)
  2. GEPAN stands for Groupe d'Étude des Phénomènes Aérospatiaux Non-identifiés (unidentified aerospace phenomenon research group)
  3. SEPRA formerly stood for Service d'Expertise des Phénomènes de Rentrée Atmosphérique (atmospheric re-entry phenomena expertise department) and, since 2000, stands for Service d'Expertise des Phénomènes Rares Aérospatiaux (rare aerospace phenomena expertise department)
  4. GEIPAN is clearly focused on UFO study, but UAP (PAN in french) is meant to cover a much broader area than UFO (OVNI in french) as UFO may imply the presence of a physical object despite any actual evidence of it.
  5. Rossoni, D., Maillot, E., & Déguillaume, E. (2007). Les ovnis du CNES – 30 ans d’études officielles. www.book-e-book.com. (extracts from the book in French) Lưu trữ 2007-09-27 tại Wayback Machine. Critical skeptical investigations of GEPAN's work.