For citations:

Melnikov A.P. THE IMPROVEMENT OF TECHNOLOGICAL PROCESS AND EQUIPMENT FOR PRODUCTION OF CASTINGS OF THE INTERNAL COMBUSTION ENGINES PISTON RINGS. Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY). 2010;(3):152-157. (In Russ.) https://doi.org/10.21122/1683-6065-2010-3-152-157