1. ACAP (2011) Estatísticas do Sector Automóvel, Edição de 2010. Lisboa, Portugal
2. Althaus H-J (2012) Modern individual mobility. Int J Life Cycle Assess 17:267–269
3. Austin S, Ross M (2001) History of emissions reductions: normal emitters in FTP-type driving. Society of Automotive Engineers 2001 Detroit Congress. p 12
4. Azevedo CL (2007) Métodos de Estimativa de Volumes Anuais de Tráfego Rodoviário – Um Modelo para Portugal. MSc thesis, Instituto Superior Técnico, Lisboa
5. Azevedo CL, Cardoso J (2009) Estimation of Annual Traffic Volumes: A Model for Portugal. Young Researchers Seminar 2009, Torino