1. Alberti, V., Alonso Raposo, M., Attardo, C., Auteri, D., Ribeiro Barranco, R., Batista e Silva, F., Benczur, P., Bertoldi, P., Bono, F., Bussolari, I., Louro Caldeira, S., Carlsson, J., Christidis, P., Christodoulou, A., Ciuffo, B., Corrado, S., Fioretti, C., Galassi, M. C., Galbusera, L., et al., 2019. The Future of Cities: Opportunities, challenges and the way forward (JRC Research Reports No. JRC116711). Joint Research Centre (Seville site). https://econpapers.repec.org/paper/iptiptwpa/jrc116711.htm.
2. Historical trajectories of currently shrinking Portuguese cities: A typology of urban shrinkage;Alves;Cities,2016
3. Bisaschi, L., Romano, F., Carlberg, M., Carneiro, J., Ceccanti, D., Calofir, L., 2021. Transport infrastructure in low-density and depopulating areas. https://research4committees.blog/2021/02/03/transport-infrastructure-in-low-density-and-depopulating-areas/.
4. Depopulation impacts on ecosystem services in Mediterranean rural areas;Bruno;Ecosyst. Serv.,2021
5. Bump, S.M., 2021. Public Infrastructure in Western Massachusetts: A Critical Need for Regional Investment and Revitalization | Mass.gov. Office of the State Auditor Division of Local Mandates. https://www.mass.gov/report/public-infrastructure-in-western-massachusetts-a-critical-need-for-regional-investment-and-revitalization.