1. Tropezando dos veces con la misma piedra: quiebra de autopistas de peaje y costes para contribuyentes y usuarios;Albalate;Rev. Econ. Aplicada,2015
2. Report: SH 130 Toll Road Company in Danger of Default;Batheja,2014
3. Debt Issues Tied to SH 130 Could Impact Toll Projects;Batheja,2013
4. Eurotunnel Gets Court Protection;BBC,2006
5. Insolvency Warning at Eurotunnel;BBC,2006