For citations:

Kolnogorov K.P., Volobuev V.S., Karmanova O.V. WAYS TO OBTAIN AMIDES CONTAINING SALTS 3D-METALS BASED ON TALL OIL ROSIN AND STUDYING THEI INFLUENCE ON THE PROPERTIES OF THE SYSTEM "RUBBER - BRASSED METAL CORD". Proceedings of the Voronezh State University of Engineering Technologies. 2014;(2):142-147. (In Russ.) https://doi.org/10.20914/2310-1202-2014-2-142-147