Doctoral thesis (2003) - BJ van der Steeg (author) , Jan Aarts (promotor) , K.P. Hart (copromotor) , Jan van Mill (copromotor) , A Dow (copromotor) , P Simon (copromotor) , Philippe Clément (copromotor) , E Coplakova (copromotor) , jan Benjamin Biemond (copromotor)