by Freiberga, A.K, Gromov, V.S
Published in Khim Drev (1975)

by Freiberga, A.K, Gromov, V.S
Published in Khim Drev (1974)

by Gromov, V.S, Freiberga, A.K
Published in Khim Drevesiny (1972)

by Gromov, V.S, Purina, L.T, Freiberga, A.K, Treimanis, A.P, Konstantinova, L.M
Published in Khimiia drevesiny (1978)

by Freiberga, A.K, Gromov, V.S
Published in Khim Drev (1974)

by Freiberga, A.K, Gromov, V.S
Published in Khim Drev (1973)