1. Al-Eraqui A, Mustafa A, Khader A, Barros C (2008) Efficiency of Middle Eastern and East African seaports: application of DEA using Windows analysis. Eur J Sci Res 23(4):597–612
2. APA (2006) Administração do Porto de Aveiro. Plano Estratégico do Porto de Aveiro [online] http://www.portodeaveiropt:7777/publishing/img/home_294/fotos/708451310021181811203.pdf Accessed 22 Jan 2010
3. Banker R, Charnes A, Cooper W (1984) Some models for estimating technical and scale inefficiencies in data envelopment analysis. Manag Sci 30:1078–1092
4. Barros C (2003a) Incentive regulation and efficiency of Portuguese port authorities. Marit Econ Logist 5(1):55–69
5. Barros C (2003b) The measurement of efficiency of Portuguese seaport authorities with DEA. Int J Transp Econ 30(3):335–354