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2. http://www.wtec.org/robotics/us_workshop/June22/MilitaryRobots%20WTEC.pdf.
3. Proceedings of the Italy–Japan 2005 Workshop The Man and the Robot: Italian and Japanese approaches, http://www.robocasa.net/workshop2005/index.php?page=program.
4. E. Rogers, Introduction to Human–Computer Interaction (HCI), RAS/IFRR Summer School on “Human–Robot Interaction, http://www.cas.kth.se/ras-ifrr-ss04/material/rogers-hci-intro.pdf.
5. http://people.na.infn.it/~ethicbots/index.htm.