Published Research Article of Journal of Biodiversity and Environmental Sciences. JBES published 12 issue per year. Here is the February issue of 2011.
I. Thomas, A. Verhetsel, H. Hammadou, and D. Vanhofstraeten. Proceedings of the 43rd Congress of the European Regional Science Association: "Peripheries, Centres, and Spatial Development in the New Europe", Louvain-la-Neuve: European Regional Science Association (ERSA), (2003)