1. 1997, August 28). Systems Acquires Rapid Prototyping Business from EOS GmbH of Germany (press release). PR Newswire. Retrieved August 1, 2016, from http://www.prnewswire.com/news-releases/3d-systems-acquires-rapid-prototyping-business-from-eos-gmbh-of-germany-75167172.html
2. 3D Systems. (2014, February 183D Systems Prints First Hybrid Robotic Exoskeleton Enabling Amanda Boxtel To Walk Tall (press release). 3D Systems. Retrieved August 1, 2016, from http://www.3dsystems.com/press-releases/3d-systems-prints-first-hybrid-robotic-exoskeleton-enabling-amanda-boxtel-walk-tall
3. 3D Sytesm Leuven. (2012, February 3). LayerWise builds world's first complete lower jaw implant (YouTube video). Retrieved from https://www.youtube.com/watch?v=nP1jUABA6A4
4. 3Dsystems. (n.d.). SLA 7000. Retrieved August 1, 2016, from http://www.3dsystems.com/products/datafiles/sla7000/datasheets/SLA7000_uk_aktualisiert.qxd.pdf
5. 3Dsystems. (n.d.). The Termojet. Retrieved August 1, 2016, from http://www.3dsystems.com/products/datafiles/thermojet/datasheets/TJ_Pr_DesignComm.pdf