@BOOK{
AUTHOR = {Timo Steffens},
editor = {K\"uhnberger, K.-U. and K\"onig, P. and Ludewig, P.},
TITLE = {Feature-Based Declarative Opponent-Modelling in Multi-Agent Systems},
PUBLISHER = {Institute of Cognitive Science},
YEAR = {2004},
volume = {4-2004},
series = {Publications of the Institute of Cognitive Science},
address = {Osnabr\"uck},
isbn = {1610-5389},
}