1. S. N. Krivoshapko, Stroitel'naya Mekhanika Inzhenernykh Konstruktsiy i Sooruzheniy, No. 1: 51 (2013) (in Russian).
2. V. A. Barvinok, Vysokoeffektivnye Tekhnologicheskie Protsessy Izgotovleniya Elementov Truboprovodnykh i Toplivnykh Sistem Letatel'nykh Apparatov [Highly Efficient Technological Processes of Manufacturing Elements of Pipeline and Fuel Systems of Aircraft] (Moscow: Nauka i Tekhnologii: 2002) (in Russian).
3. Additive manufacturing of metal products (Review)
4. A Review of Additive Manufacturing
5. Robert Brooks, Lockheed Now 3D-Printing Giant Titanium Parts for Satellites.