Doctoral thesis (2009) - B.M. Steenhuisen (author) , EF ten Heuvelhof (promotor) , Michel Van van Eeten (copromotor) , J.T. Fokkema (copromotor) , J. Chamoux (copromotor) , M Noordegraaf (copromotor) , P Schulman (copromotor) , M.P.C. Weijnen (copromotor) , AW Veenman (copromotor)