by Liepiņš, E., Birgˇele, I., Lukevics, E., Bogoradovsky, E.T., Zavgorodny, V.S.
Published in Journal of organometallic chemistry (22.01.1991)

by Liepiņš, E., Birǧele, I., Lukevics, E., Sheludyakov, V.D., Lahtin, V.G.
Published in Journal of organometallic chemistry (20.03.1990)

by Liepiņš, E., Birǧele, I., Lukevics, E., Bogoradovsky, E.T., Zavgorodny, V.S.
Published in Journal of organometallic chemistry (01.08.1990)

by Liepiņš, E., Birǧele, I., Lukevics, E., Bogoradovsky, E.T., Zavgorodny, V.S.
Published in Journal of organometallic chemistry (01.07.1990)

by Beinare, A, Vitolins, U. (Ministry of Agriculture, Riga (Latvia). Centre of Agrochemical Research), Birgele, I
Year of Publication 2001

by Beinare, A, Vitolins, U. (Ministry of Agriculture, Riga (Latvia). Centre of Agrochemical Research), Birgele, I
Year of Publication 2001

by Lukevits, E., Segal, I., Birgele, I., Zablotskaya, A.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.09.1998)

by Lukevits, ., Segal, I., Birgele, I., Zablotskaya, A.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.09.1994)

by Lukevits, ., Ignatovich, L. M., Shilina, N. V., Popelis, Yu, Birgele, I.
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.09.1995)

by LIEPINS, E, BIRGELE, I, LUKEVICS, E, BOGORADOVSKY, E. T, ZAVGORODNY, V. S
Published in Journal of organometallic chemistry (1990)

by Birgele, I. (Ltd. "Efekts", Sigulda (Latvia))
Published in Raziba (Latvia) (01.02.1999)

by Birgele, I. (Joint Stock Company Jumitis, Sigulda, Riga distr. (Latvia))
Published in Raziba (Latvia) (01.03.2002)

by Birgele, I. (Joint Stock Company Jumitis, Sigulda, Riga distr. (Latvia))
Published in Raziba (Latvia) (01.03.2002)

by Chekavichus, B. S., Birgele, I. S., Sausin'sh, A. ., Dubur, G. Ya
Published in Chemistry of heterocyclic compounds (New York, N.Y. 1965) (01.07.1992)

by Vitolins U, Birgele I, Valters A, Grantins V
Published in Razia (1995)

by Beinare A, Vitolins U, Birgele I, Zuters M
Published in Raziba (1994)

by Liepins, E., Popelis, J., Birgele, I., Urtane, I., Zelchan, G., Lukevics, E.
Published in Journal of organometallic chemistry (01.01.1980)

by Vitolins, U. (State Scientific Protection Enterprise, Riga (Latvia)), Birgele, I, Valters, A, Grantins, V. (Latvia)
Published in Razia (Latvia) (1995)

by Birgele, I. (Joint Stock Company "Jumitis", Sigulda (Latvia)), Birgele, Il
Published in Raziba (Latvia) (01.07.2002)

by Beinare A, Vitolins U, Birgele I, Valters A, Grantins V
Published in Raziba (1994)