1. ACEA, European Automobile Manufacturers Association. Country Report Charts, Issue: September 2005. Brussels, Belgium, 2006, p. 12.
2. Álvarez, M.L., 2007. Personal communication with Dr. Ma. de Lourdes Àlvarez M., head of Automotive Recycling project, Research Division at Accountancy and Administration Faculty, National Autonomous University of Mexico (UNAM), Mexico City.
3. Solving the uncapacitated facility location problem with semi-Lagrangian relaxation;Beltran-Royo;Optimization Online Digest,2007
4. Commission of the European Communities (COM), 2003. Communication from the Commission to the Council and the European Parliament, Integrated Product Policy. Brussels, p. 30.
5. Commission of the European Communities (COM), 2007. Report from the Commission to the Council and European Parliament on the Targets Contained in Article 7(2)(b) of Directive 2000/53/EC on EoL Vehicle, Impact Assessment. Brussels, p. 142.