1. Bloomberg Businessweek Technology 2014 http://www.businessweek.com/articles/2014--01--28/all-the-food-thats-fit-to-3d-print-from-chocolates-to-pizza
2. Scaffold development using 3D printing with a starch-based polymer;Lam;Mater Sci Eng,2012
3. Lipson H. 2014
4. Tissue engineering by self-assembly and bioprinting of living cells;Jakab;Biofabrication,2010