1. A disgraceful exit from the Paris Pact. New York Times, p. 24, (2017). https://www.nytimes.com/2017/06/01/opinion/trump-paris-climate-change-agreement.html .
2. Adams, N., Carroll, D., Madalinski, K., Rock, S., Wilson, T., & Pivetz, B. (2000). Introduction to phytoremediation. Retrieved from http://www.clu-in.org/download/remed/introphyto.pdf .
3. Aravind, K. R., Raja, P., & Pérez-Ruiz, M. (2017). Task-based agricultural mobile robots in arable farming: A review. Spanish Journal of Agricultural Research, 15(1), 01–02.
4. Asaro, P. (2006). What should we want from a robot ethic? International Review of Information Ethics, 6, 8–16.
5. Asimov, I. (1990). Robot visions: Roc.