1. M. Mares, Composites Materials. Properties and Simulation (in Romanian), Tehnopress Publishing House, Iasi (2006) 1–7.
2. M. Banu, O. Naidim, O. Tabacaru, Unconventional Materials (in Romanian), Academic Foundation Dunarea de Jos, Galati (2001) 3–13.
3. A. Narimanyan, unilateral conditions modelling the cut front during plasma cutting: FEM solution, In: Appl. Math. Modelling (2007) 1–23.
4. R. Bini, B. M. Colosimo, A. E. Kutlu and M. Monno, Experimental study of the features of the kerf generated by a 200 A high tolerance plasma arc cutting system, In: Journal of Materials Processing Technology (2007) 345–355.
5. R. Teti, Machining of composite materials, CIRP ANNALS, Manufacturing Technology, 51, (2002) 611–634.