1. P.G. Enright and I.R. Hughes: Foundryman, 1996, vol. 89 (11), pp. 390–95.
2. P.G. Enright: Ensuring the Highest Quality and Reliability in Light Alloy Castings, Suttow Coldfield, United Kingdom, Oct. 28–29, IBF Publications, Birmingham, United Kingdom, 1996, pp. 6.1–6.18.
3. P.G. Enright: Equipment Installation and Service Manual: Prifil Footprinter® Series 2—Aluminium Version, Jan. 1997.
4. P. Rochette and A.A. Simard: Aluminium, 2000, vol. 76, pp. 20–26.
5. L.A. Godlewski and J.W. Zindel: AFS Trans., 2001, vol. 109, pp. 315–25.