Knoblock, C. A., J. L. Ambite, M. J. Carman, M. Michelson, P. Szekely, and R. Tuchinda. “Beyond the Elves: Making Intelligent Agents Intelligent”. AI Magazine, vol. 29, no. 2, July 2008, p. 33, doi:10.1609/aimag.v29i2.2129.