1. Wohlers report;Wohlers,2015
2. 3-D printer counts kids as customers;Chuang,2015
3. Hull CW inventor, UVP, Inc., assignee. Apparatus for production of three-dimensional objects by stereolithography. US Patent 4575330; 1986.
4. Software enables laser stereolithography;Carts;Laser Focus World,1990
5. Stereolithography – a marriage of technologies;Kaplan;Photon Spectra,1990