Last Updated on November 10, 2023 by pg@petergamma.org
Robert Oostenveld writes about the Unicorn Black on his personal website:
https://robertoostenveld.nl/?s=unicorn
But we did not find any papers of Robert Oostenveld about the Unicorn Black:
https://scholar.google.com/scholar?hl=de&as_sdt=0%2C5&q=++Robert+Oostenveld+unicorn+black&btnG=
https://scholar.google.com/scholar?hl=de&as_sdt=0%2C5&q=++Robert+Oostenveld+g.tec+medical&btnG=