1. ACI, 2021. Il parco dei veicoli circolante in Italia, http://www.opv.aci.it/WEBDMCircolante/ (Accessed 28 April 2020).
2. ADAC, 2020. Corona und mobilitat: mehr homeoffice, weniger berufsverkehr. https: //www.adac.de/verkehr/standpunkte-studien/mobilitaets-trends/corona-mobilitaet/. (Accessed 28 November 2020).
3. Accumulation of plastic waste during COVID-19;Adyel;Science,2020
4. A New Theory of Urban Design;Alexander,1987
5. Catastrophe theory: a contribution to the study of urban systems?;Amson;Environ. Plan. B Plan. Des.,1975