1. L. I. Tuchinskii, Composite Materials Produced by Impregnation (Metallurgiya, Moscow, 1986).
2. A. S. Matusevich, Metal Based Composite Materials (Nauka i Tekhnika, Minsk, 1978).
3. Schunk Kohlenstofftechnik GmbH. Germany. http://www.schunk-group.com. Accessed March 11, 2018.
4. V. Ya. Berent, “Promising applications of metal carbon contact strips at Russian railroads,” Vestn. VNIIZhT 76 (3), 174–180 (2017).
5. Carbon-Based Antifriction Materials (Morganite Electrical Carbon Ltd, Germany, 2019). MersenGroupFrance. http://www.mersen.com.