Ursa Software Ltd

year of pub­li­ca­ti­onISBNauthor(s)title
1999978-1-902987-00-2Peter B. LloydConsciousness and Berkeley's Metaphysics (PSI Informatics S.)
  ''978-1-902987-01-9   ''Paranormal Phenomena and Berkeley's Metaphysics (Psi informatics series)
2003978-1-902987-09-5   ''Exegesis of the Matrix