1. A.P. GREEN: “The use of plasticine models to simulate the plastic flow of metals”. Phil. Mag.42 (1951).
2. T. WANHEIM: “The physical modelling of plastic working processes”. Proc. of 1st int. conf. on technology of plasticity. Tokyo 1984.
3. KOKADO, HATTA, TAKUDA: “Numerical analysis of the slab deformation in vertical rolling”. Arch. Eisenhüttenwesen. 54 (1983). Nr 12 december.
4. C. BERTRAND, C. DAVID, A. BERN, P. MONTMITONNET, J.L. CHENOT, P. BUESSLER: “A three dimensional analysis of steady flow in hot forming processes. Application to hot flat rolling and hot shape rolling”. Euromech Colloquium. August 29–31 1988. Sophia Antipolis, France.
5. OUDIN, RAVALARD, ROMMENS: “On the contribution of waxes to the simulation of metal forming processes”. 8th NAMRC. University of Missouri Rolla USA. 18–21 May 1980.