Doctoral thesis (2003) - SR Holm (author) , JA Ferreira (promotor) , H Polinder (copromotor) , JC Compter (copromotor) , W.-R. Canders (copromotor) , H. Blok (copromotor) , J. J. Smit (copromotor) , H Huisman (promotor) , L. Sluis (copromotor)