Doctoral thesis (2003) - C Soviany (author) , Henk Sips (promotor) , L Van Vliet (promotor) , Pieter Jonker (copromotor) , RL Lagendijk (copromotor) , HE Bal (copromotor) , I Athanasiu (copromotor) , D Koelma (copromotor)

Doctoral thesis (2003) - L Breebaart (author) , HJ Sips (promotor) , HE Bal (copromotor) , WG Vree (copromotor) , HAG Wijshoff (copromotor) , Arie van Deursen (copromotor) , EM Paalvast (copromotor) , C van Reeuwijk (copromotor) , J.L.G. Dietz (copromotor)