by Zagumenov, M. N., Mogileva, T. N., Ryabov, E. I., Mikheev, G. M.
Published in Journal of applied spectroscopy (01.09.2023)

by Kashtanov A.N, Shatilov I.S, Kiryushin V.N, Makarov I.P, Nerpin S.V, Sulejmenov M.K, Shishov L.L, Goncharov B.P, Korchagin V.A, Ryabov E.I
Year of Publication 1988

by Ryabov, E.I
Published in Zemledelie (USSR) (1990)

by Ryabov E.I, Orlov V.V
Published in Zemledelie (1981)