1. 1. Morgan Quigley∗, Brian Gerkey†, Ken Conley†, Josh Faust†, Tully Foote†, Jeremy Leibs‡, Eric Berger†, Rob Wheeler†, Andrew Ng∗ (ROS: an open-source Robot Operating System) 
   2. HEBA SOFFAR.published may 20,2016 (advantages and disadvantages of using robots in our life)
   3.  M. Quigley, E. Berger, and A. Y. Ng, “STAIR: Hardware and Software Architecture,” in AAAI 2007 Robotics Workshop, Vancouver, B.C, August, 2007.
   4. K. Wyobek, E. Berger, H. V. der Loos, and K. Salisbury, “Towards a personal robotics development platform: Rationale and design of an intrinsically safe personal robot,” in Proc. of the IEEE Intl. Conf. on Robotics and Automation (ICRA), 2008.
   5. M.Montemerlo,N.Roy, and S. Thrun, “Perspectives on standardization in mobile robot programming: The Carnegie Mellon Navigation (CARMEN) Toolkit,” in Proc. of the IEEE/RSJ Intl. Conf. on Intelligent Robots and Systems (IROS), Las Vegas, Nevada, Oct. 2003, pp. 2436–2441.
   6. A. Makarenko, A. Brooks, and T. Kaupp, in Proc. of the IEEE/RSJ Intl. Conf. on Intelligent Robots and Systems (IROS), Nov. 2007.
   7. Articial intelligence,wikipedia and semi-Structure Resources .Editted by Eduard Hovy,Roberto navigli,Simone Paolo Ponzetto ,january 2013
   8. special issues on AI and Robotics .Edited by kanna Rajan,Alessandro saffiotti june 2017
   9. Robot. Wikipedia