An ethical boundary agent to prevent the abdication of responsibility in combat systems. - Tjerk de Greef; Alex Leveringhaus (ECCE, 2013)

Design for responsibility: safeguarding moral perception via a partnership architecture. - Tjerk de Greef; Alex Leveringhaus (Cogn. Technol. Work., 2015)

Morally Repugnant Weaponry?: Ethical Responses to the Prospect of Autonomous Weapons. - Alex Leveringhaus (The Cambridge Handbook of Responsible Artificial Intelligence, 2022)