1. Licensed production. http://www.caat.org.uk/resources/publications/economics/licensed-production-0801.pdf. Licensed production. http://www.caat.org.uk/resources/publications/economics/licensed-production-0801.pdf.
2. Intellectual property theft: Get real facts and figures. http://www.ncpc.org/topics/intellectual-property-theft/facts-and-figures-1 2014. Intellectual property theft: Get real facts and figures. http://www.ncpc.org/topics/intellectual-property-theft/facts-and-figures-1 2014.
3. The rapid prototyping industry major us-based vendors. http://www.additive3d.com/ind 211.htm 2014. The rapid prototyping industry major us-based vendors. http://www.additive3d.com/ind 211.htm 2014.