From Spain, the member of UAPSG-GEFAI, the distinguished Ufologist Mr. Vicente-Juan Ballester Olmos reports that:
The blog FOTOCAT has been updated to report the publication of a paper prepared by Vicente-Juan Ballester Olmos and Martin Shough, under the title “Spheres in Airborne UAP Imagery”.
This paper, written in English, has abstracts in Spanish and French.
The paper in PDF can be seeing at:
The authors hope you will find it an exciting reading.