John-Jules Ch. Meyer Frank S. de Boer Rogier M. van Eijk Koen V. Hindriks Wiebe van der Hoek On Programming KARO Agents. 2001 9 Logic Journal of the IGPL 2 http://dx.doi.org/10.1093/jigpal/9.2.245 db/journals/igpl/igpl9.html#MeyerBEHH01 245-256