63D Prinfng: What You Need to Know [ EB/OL ] . (2012-02-06) [ 2014-05-16 ] .http://www.pcmag.com/slideshow_viewer/0,3253,1=29 3816&a=289174&po=1,00.asp.
83D Printing Technology Insight Report: An analysis of patenting activity around 3D-Printing from 1990-Current [ EB/OL ] . (2014) [ 2014- 05-16 ] .http://www.patentinsightpro.com/techreports/0214/Tech%20Insight%20Report%20-%203D%20Printing.pdf.
9Bruce Berman, War between 3D Printing and IP Rights Is Not Inevitable [J ] . Intellectual Asset Management Mar./Apr.2014:29.
10Michael Weinberg: It Will Be Awesome if They Don' t Screw It Up: 3D Printing, Intellectual Property, and the Fight Over the Next Great Disruptive Technology [EB/OL] . (2012-01-19) [2014 05-18] .http://www.publicknowledge.org/files/ docs/3DPrintingPa perPublicKnowledge.pdf.
