Robert Sheaffer published 'UFO Sightings: The Evidence' in 1998 as a revised edition of his 1981 book 'The UFO Verdict.'

Authors

• Person: Not available Organization: Wikipedia
  Unidentified flying object - Wikipedia

Sources

• Unidentified flying object - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (1)

• Robert Sheaffer entity