Mohsen J. Joaij, M. . H. Tlafeh, Esam T. Abdullah, and Abdullah D. Assi. “Design And Manufacturing of a Hydrostatic Extrusion Apparatus for Compound Cylinders from AL And MG”. Diyala Journal of Engineering Sciences, vol. 6, no. 2, June 2013, pp. 86-102, doi:10.24237/djes.2013.06207.