by Sobral, J.H.A, Abdu, M.A, Takahashi, H, Taylor, M.J, de Paula, E.R, Zamlutti, C.J, de Aquino, M.G, Borba, G.L
Published in Journal of atmospheric and solar-terrestrial physics (01.08.2002)

by Sobral, J.H.A., Abdu, M.A., Takahashi, H., Sawant, H., Zamlutti, C.J., Borba, G.L.
Published in Advances in space research (01.01.1999)

by de Medeiros, R.T., Souza, J.R., Abdu, M.A., Batista, I.S., Sobral, J.H.A., Borba, G.L.
Published in Advances in space research (2003)

by Sobral, J.H.A., Takahashi, H., Abdu, M.A., Taylor, M.J., Sawant, H., Santana, Daniela C., Gobbi, D., de Medeiros, A.F., Zamlutti, C.J., Schuch, N.J., Borba, G.L.
Published in Advances in Space Research (01.01.2001)

by Sobral, J.H.A., Borba, G.L., Abdu, M.A., Batista, I.S., Sawant, H., Zamlutti, C.J., Takahashi, H., Nakamura, Y.
Published in Journal of atmospheric and solar-terrestrial physics (1997)

by Borba, G.L., Prince, F.C., Patel, N., de Castro, A.R.B.
Published in Solid state communications (01.01.1985)