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Avistamientos OvnisBallester-J.Vallee,100 Iberian UFO Landings
Ballester-J.Vallee,100 Iberian UFO Landings
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Avistamientos OvnisBallester-J.Vallee,Iberian Humanoids 1925-1970,FSR-SI 1971 N 4,UFOs in Two Worlds
Ballester-J.Vallee,Iberian Humanoids 1925-1970,FSR-SI 1971 N 4,UFOs in Two Worlds
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Avistamientos OvnisBallester-Olmos,Landings 1958,Spain,FSR71V17N4
Ballester-Olmos,Landings 1958,Spain,FSR71V17N4
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UfologíaBallester-Olmos,Monografia OVNI del Capitan Boado 1969
Ballester-Olmos,Monografia OVNI del Capitan Boado 1969
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UfologíaBallester-Peris,Luminous Properties of UFOs,FSR88V33N4
Ballester-Peris,Luminous Properties of UFOs,FSR88V33N4
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UfologíaBallester-Peris,UFOs,Material Phenomenon,FSR88V33N4
Ballester-Peris,UFOs,Material Phenomenon,FSR88V33N4
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UfologíaBallester-Peris-Crivillen,UFOs and Spanish Authorities,FSR87V32N3
Ballester-Peris-Crivillen,UFOs and Spanish Authorities,FSR87V32N3
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