1. An Environmental Product Declaration of Jeans,2011
2. Anon. Denim Garment Processing. Atlantic Care Chemicals, Ontario, Canada. Available from: http://www.atlanticchemicals.com/UserFiles/Novo%20-20Denim%20Garments%20Processing1.pdf.
3. Processes and Strategies for Solid State Q-Switch Laser Marking of Polymers;Bosman,2007
4. Denim Freaks, 2012. Available from: http://denimfreaks.com/df/guru.php?id_guru=31.
5. Madrid, segunda ciudad más poblada de europa,2009