I. Mack, K. McMenemy, R. Ferguson, S. Potts, and A. Dick. BIODEVICES (2), page 29-34. INSTICC - Institute for Systems and Technologies of Information, Control and Communication, (2008)978-989-8111-17-3.
A. Djalali, D. Clausen, S. Lauer, K. Schultz, and C. Potts. AAAI Fall Symposium: Building Representations of Common Ground with Intelligent Agents, volume FS-11-02 of AAAI Technical Report, AAAI, (2011)