Haegen, Hermann van derPaltyn, M.1981-08-202020-05-202022-11-252020-05-202022-11-251981https://orlis.difu.de/handle/difu/478902RaumstrukturStadtregionStadtstrukturAbgrenzungAn operationalization of the concept of city region in West-European perspective - the Belgian city regions.Zeitschriftenaufsatz060295