The formation processes of oxide phase from polymer-salt complexes of ammonium molybdate and tungstate / Valiev E.Z., Ostrouschko A.A., Bogdanov S.G., Pirogov A.N., Teplykh A.E., Mogil'nikov Yu.V. // Poverkhnost Rentgenovskie Sinkhronnye i Nejtronnye Issledovaniya. - 2001. - V. , l. 11. - P. 38-49.