1-http://www.dailymotion.com/video/xp587x_chasseurs-d-ovnis-21-retombees-extraterrestres-1-de-3_tech
2-http://www.dailymotion.com/video/xp587o_chasseurs-d-ovnis-21-retombees-extraterrestres-2-de-3_tech
3-http://www.dailymotion.com/video/xp587j_chasseurs-d-ovnis-21-retombees-extraterrestres-3-de-3_tech