2022 https://www.researchgate.net/profile/Massimiliano-Cappuccio/publication/362033185_Taming_the_Killer_Robot_Toward_a_Set_of_Ethical_Principles_for_Military_Artificial_Intelligence/links/62d251c6fd347a451bc155cf/Taming-the-Killer-Robot-Toward-a-Set-of-Ethical-Principles-for-Military-Artificial-Intelligence.pdf Academic paper Medium