In Russian. Petrov, Arkady Anatolievich. Spectral-Isotope Method of Materials Research. Leningrad: Leningrad University Publishing House, 1974. Spektral'no-izotopnyy metod issledovaniya materialov. In Russian /Spectral isotope method for material investigation. 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. SKU7322868