In Russian. Krylova, Lyudmila Aleksandrovna. Rational use of triacetate threads in the primary knitting industry. Moscow: 1972. Ratsionalnoe ispolzovanie triatsetatnykh nitey v osnovovyazalnom proizvodstve. In Russian/Rational use of triacetate threads in the primary knitting industry. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7420182