For citations:

Tomilo V.A., Levkovich V.V. MODEM TECHNOLOGIES OF THE LARGE-SIZE RING BILLETS PRODUCTION. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2012;(3):110-114. (In Russ.) https://doi.org/10.21122/1683-6065-2012-3-110-114