School of Geography, University of Nottingham, UK
International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, 2361 Laxenburg, Austria
Department of Mathematics, University of Coimbra, 3001-501 Coimbra, Portugal / INESC Coimbra, Rua Sílvio Lima, Pólo II, 3030-290 Coimbra, Portugal
Maynooth University, Maynooth, Ireland
Paris-Est, LASTIG COGIT, IGN, ENSG, F-94160 Saint-Mande, France
Department of Mathematics, University of Coimbra, 3001-501 Coimbra, Portugal / INESC Coimbra, Rua Sílvio Lima, Pólo II, 3030-290 Coimbra, Portugal
Hellenic Army General Staff, Geographic Directorate, PAPAGOU Camp, Mesogeion 227-231, Cholargos, 15561, Greece