by Bakhtin O.V
Published in Lesnoe Khozyajstvo (1981)

by Bakhtin, O.V
Published in Lesnoe khoziaistvo (1981)

by Velichko, IA.M, Bakhtin, O.V
Published in Khimicheskii Ukhod za Lesom (1973)

by Bakhtin, O.V, Velichko, IA.M
Published in Khimicheskii Ukhod za Lesom (1973)

by Samgin, P.A, Bakhtin, O.V
Published in Les Khoz (1971)

by Velichko, IA.M, Bakhtin, O.V
Published in Les Khoz (1971)

by Samgin, P.A, Krutikova, L.N, Velichko, IA.M, Bakhtin, O.V
Published in Sb Nauchn Tr Leningr Nauchno Issled Inst Lesn Khoz (1974)

by Bel'kov, V.P, Bakhtin, O.V, Velichko, IA.M, Martynov, A.M, Omel'ianenko, A.IA
Published in Sb Nauchn Tr Leningr Nauchno Issled Inst Lesn Khoz (1974)

by Shutov, I.V, Bel'kov, V.P, Velichko, IA.M, Martynov, A.N, Bakhtin, O.V, Omel'ianenko, A.IA
Published in Khimicheskii Ukhod za Lesom (1974)