International Conference Held On The Occassion Of The 50 Th Anniversary Of The Netherlands Economic Institute, Rotterdam, 4.9.1979: Dynamics Of Urban Development / Der. L. H. Klaassen, W. T. M. Molle, J. H. P. Paelinck. - Klaassen, L. H.; Molle, W. T. M.; Paelinck, J. H. P. (Netherland Economic Institute, 1981)