N. Seixas

Automatic K-Index Determination Using a Variable Cut-Off Frequency Filtering Procedure

S. L. Fontes, N. Seixas, I. Figueiredo, 1995 .

Statistical study of magnetic disturbances at the Earth's surface

A. Papa, L. M. Barreto, N. Seixas, 2006 .

Seismic Activity In Monsuaba (State of Rio De Janeiro), Brazil, Between 1988 December and 1989 February

N. Seixas, J. Berrocal, C. Fernandes, 1993 .