A collection of sketches of UFOs and entities compiled by Spain's Grupo GERENA, formed by
Joaquín Mateos Nogales, Manuel Filpo and
Antonio Moya. The sketches are the work fo Antonio Moya and formed part of the vast wealth of case files concerning the intense UFO activity that overwhelmed Spain's Andalucía region in the past. The information was painstakingly digitized by José Manuel García Bautista and Rafael Cabello in the early 2000s.