[1]S. Berski, G. Banaszek, и H. Dyja, PMI, т. 170, вып. 2, сс. 169-172, апр. 2007.

[1]S. Berski, G. Banaszek, and H. Dyja, "Theoretical Analysis of Metal Flow Velocity of Bimetallic Rod During Extrusion Process", PMI, vol. 170, no. 2, pp. 169-172, Apr. 2007.