Krawiec, A., P. Chyla, P. Chyla, S. Bednarek, and A. Łukaszek-Sołek. “NUMERICAL ANALYSIS OF THE INFLUENCE OF LUBRICATION CONDITIONS ON THE FILLING PATTERN IN A COMPLEX PROCESS OF EXTRUDING PARTICULAR HIGH-MELTING MATERIALS”. Metallurgy and Foundry Engineering, vol. 38, no. 1, June 2012, p. 13, doi:10.7494/mafe.2012.38.1.13.