1. http://touchstoneac.com/metal-composite-tooling/.
2. http://www.ompm.it/composite/.
3. https://ascentaerospace.com/coastcompositeshome/.
4. Burden JH. Society of Manufacturing Engineers. Monolithic graphite as a tooling material for carbon fiber composite. Dearborn, Mich: Society of Manufacturing Engineers, 1988.
5. Burden JH. An Overview of Monolithic Graphite Tooling, In: 34th International SAMPE Symposium and Exhibition, Reno, Nevada, May 8-11. 1989 pp. 1315–1325.