Doctoral thesis (2011) - B.J. van Oers-van den Buijs (author) , Douwe Stapersma (promotor) , J.J. Hopman (copromotor) , SO Erikstad (copromotor) , DJ Andrews (copromotor) , F. M.T. Brazier (copromotor) , Cees Witteveen (copromotor) , DJ Singer (copromotor) , T Tomiyama (copromotor)