In Russian. Kovalsky, Matvey Borisovich. Peculiarities of construction of second tracks on the Apatity-Belomorsk section of the Oktyabrskaya Railway. Moscow: 1971. Osobennosti stroitel'stva vtorykh putey na uchastke Apatity - Belomorsk Oktyabr'skoy zheleznoy dorogi. In Russian /Peculiarities of construction of second tracks on the Apatity-Belomorsk section of the Oktyabrskaya Railway . 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. SKU7401806