In Russian. Yakovlev, Alexander Vasilievich. Physiological regularities of a singing attack. Leningrad: Music. Leningrad Division, 1971. Fiziologicheskie zakonomernosti pevcheskoy ataki. In Russian /Physiological patterns of singing attack . 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. SKU7036834