Boussauw, Kobe, et al. “Planning for Agglomeration Economies in a Polycentric Region: Envisioning an Efficient Metropolitan Core Area in Flanders”. European Journal of Spatial Development, vol. 16, no. 3, Aug. 2018, pp. 1-26, https://ojstest.polito.it/index.php/EJSD/article/view/225.