1. McKinsey&Company. Reinventing Construction: A Route to Higher Productivity, 2017, pp1-9.
2. “ASTM F2792-12A, Standard Terminology for Additive Manufacturing Technologies.”ASTM International, West Conshohocken, PA, 2012.
3. 3D concrete printing: machine and mix design;Malaeb;Int. J. Civil Eng. Technol.,2015
4. Flatt, R, Digital Concrete: Opportunities and Challenges;Wangler;RILEM Tech Lett,2016
5. Apis Cor. We print buildings. http://www.apis-cor.com/.