Tomasz Witkowski, Maciej Zatoński: In Twenty-First-Century Europe Public Prosecutor Appoints Clairvoyant as Expert Witness, Skeptical Inquirer, September/October 2013, s.
Badania wstępne na modelu zwierzęcym Tomasz Witkowski, Maciej Zatoński: In Twenty-First-Century Europe Public Prosecutor Appoints Clairvoyant as Expert Witness, „Skeptical Inquirer”, September/October 2013, s. 7.