1. The adaptive character of thought;Anderson,1990
2. Falmagne and the rationalizability of stochastic choices in terms of random orderings;Barberá;Econometrica,1986
3. Graph classes: A survey;Brandstädt,1999
4. Parameterized complexity;Downey,1999
5. Parameterized complexity: a framework for systematically confronting computational intractability;Downey,1999