For citations:

ozhevnikov A.G., Slobodenjuk A.N. OPTIMIZATION OF CONSTRUCTIONS OF PIERCING MANDRELS, USED IN PIPE ROLLING IN CONDITIONS OF RUP «BMZ». Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2009;(2):167-168. (In Russ.) https://doi.org/10.21122/1683-6065-2009-2-167-168