On the recent experiments with referendums at the local level, see: J. van Holsteyn, The Netherlands: National Debates and Local Experience. In: M. Gallagher and P.V. Uleri (eds), The Referendum Experience in Europe. London: Macmillan, 1996, pp. 126-138.
On attempts to introduce the referendum into national politics, see the entries on constitutional reform ad 3.1.