1. Adams, J. A. (2009). Multiple robot-single human interaction: Effects on perceived workload and performance. Behavior and Information Technology, 28(2), 183–298.
2. Alsever, J. (2011). Robot workers take over warehouses. CNN Money. Retrieved November 9, 2011 from
http://money.cnn.com/2011/11/09/smallbusiness/kiva_robots/
.
3. Ardissono, L., Petrone, G., Torta, G., & Segnan, M. (2012). Mixed-initiative scheduling of tasks in user collaboration. In Proceedings of WEBIST 2012—eight international conference on web information systems and technologies (pp. 342–351).
4. Barnes, M. J., Chen, J. Y. C., Jentsch, F., & Redden, E. S., (2011). Designing effective soldier–robot teams in complex environments: Training, interfaces, and individual differences. In Proceedinggs of the international conference on engineering psychology and cognitive ergonomics (EPCE) (pp. 484–493). Berlin: Springer.
5. Bazaraa, M. S., Jarvis, J. J., & Sherali, H. D. (2010). Linear programming and network flows (3rd ed.). Hoboken: Wiley.