1. Wohlers T (2004) Wohlers Report 2004. Wohlers Associates, Inc., USA, ISBN 0975442902
2. Suresh S, Mortensen A (1998) Fundamentals of functionally graded materials. Institute of Materials, London, ISBN 1-86125-063-0
3. Norton RL (1996) Machine design: an integrated approach. Prentice-Hall, New Jersey, ISBN 0-13-555475-6
4. Smith WF (1993) Structure and properties of engineering alloys, 2nd edn. McGraw-Hill, New York, ISBN 007591725
5. Menges G, Mohren P (1993) How to make injection molds, 2nd edn. Hanser, Munich, Germany, ISBN 1569902828