1. Acare4europe.org (2019) [online].
https://www.acare4europe.org/sites/acare4europe.org/files/document/Vision%202020_0.pdf
2. Aero.jaxa.jp (2019) Structural/composite materials technology|Science & Basic Tech.—Aeronautical Science and Basic Technology Research| Aeronautical Technology Directorate. [online].
http://www.aero.jaxa.jp/eng/research/basic/structure-composite/
3. Airliners.net (2019) Aviation photo #1096104: Boeing 747-2J9F/SCD—Northwest airlines cargo. [online].
http://www.airliners.net/photo/Northwest-Airlines-Cargo/Boeing-747-2J9F-SCD/1096104
4. Altair HyperWorks Insider (2019) INNOVATION, SIMULATION, OPTIMIZATION applied to the Architecture, Engineering and Construction (AEC) market. [online].
https://insider.altairhyperworks.com/intuitive-technology-foraec/
5. Astm.org (2019) ASTM F2792—12a standard terminology for additive manufacturing technologies, (2015). [online].
https://www.astm.org/Standards/F2792.htm