C. GHEORGHIES, N. CANANAU, P. ALEXANDRU, et I. PETREA, Semi-Planetary Rolling and Changes of Fine Structure and Microstructure, The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, vol. 30, nᵒ 2, p. 83-86, nov. 2007.