URL: https://www.researchgate.net/profile/Philippe-Jacquod/publication/364965517/figure/fig2/AS:11431281093941087@1667328550541/a-Aggregated-model-of-the-Central-and-Northern-European-grid-Each-node-represents-an.png
URL2: https://www.researchgate.net/figure/a-Aggregated-model-of-the-Central-and-Northern-European-grid-Each-node-represents-an_fig2_364965517
