1. Atlantic Council (2013, December). Envisioning 2030: US strategy for the coming technology revolution. Atlantic Council. Retrieved 1 April 2015: http://www.atlanticcouncil.org/images/publications/Envisioning_2030_US_Strategy_for_the_Coming_Tech_Revolution_web.pdf.
2. Baseliere, P. (2016, 08 24). Technology overview for material extrusion 3D printing. Gartner. Retrieved 20 December 2016: https://www.gartner.com/document/2668817?ref=solrAll&refval=179226354&qid=dd4aa8da8891ee48edba.
3. Basiliere, P., & Shanler, M. (2014, July 21). Hype cycle for 3D printing, 2014. Gartner. Retrieved 25 March 2015: http://www.gartner.com/document/2803426?ref=QuickSearch.
4. Basiliere, P., Halpern, M., Burt, M., & Shanler, M. (2014, April 30). Cool vendors in 3D printing, 2014. G00262529. Gartner. Retrieved 25 March 25, 2015: http://www.gartner.com/document/2726917?ref=QuickSearch.
5. Basiliere, P., Burton, J., Kutnick, D., Shaffer, V., & Shanler, M. (2016, 11 15). Predicts 2017: 3D printing accelerates. Gartner. Retrieved 01 December 2016: https://www.gartner.com/document/code/316164?ref=grbody&refval=3565022.