A
Alien Origins
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Interesting article over on Academia....You may have to join to read it I don't know...A lot of good alien-UFO material/articles on Academia..You can join for free but your ability to do certain things are limited.
STATE-OF-THE-ART IN UFO DISCLOSURE WORLDWIDE
As a side note I don't know that much about this author.
STATE-OF-THE-ART IN UFO DISCLOSURE WORLDWIDE
https://www.academia.edu/32053531/STATE-OF-THE-ART_IN_UFO_DISCLOSURE_WORLDWIDE?email_work_card=title
As a side note I don't know that much about this author.