Paulo Urbano Luís Moniz Helder Coelho The Queen Robots: Behaviour-Based Situated Robots Solving the N-Queens Puzzle. 129-139 2002 conf/sbia/2002 SBIA http://link.springer.de/link/service/series/0558/bibs/2507/25070129.htm db/conf/sbia/sbia2002.html#UrbanoMC02