Baecker, Dirk. “Who Qualifies for Communication? A Systems Perspective on Human and Other Possibly Intelligent Beings Taking Part in the Next Society”. TATuP - Zeitschrift für Technikfolgenabschätzung in Theorie und Praxis 20, no. 1 (April 1, 2011): 17–26. Accessed October 3, 2022. https://www.tatup.de/index.php/tatup/article/view/791.