Terradas, J.; Ofman, L., "Loop density enhancement by nonlinear magnetohydrodynamic waves", "The Astrophysical Journal", Volume 610, Pages 523, 2004. Paper.
Díaz, A. J.; Oliver, R.; Ballester, J. L.; Roberts, B., "Fast MHD oscillations in line-tied homogeneous coronal loops", "Astronomy and Astrophysics", Volume 424, Pages 1055-1064, 2004. Paper.
Ballester, J. L.; Oliver, R.; Carbonell, M., "Return of the near 160 day periodicity in the Photospheric Magnetic Flux during solar cycle 23", "The Astrophysical Journal", Volume 615, Pages L173-L176, 2004. Paper.
Terradas, J.; Oliver, R.; Ballester, J. L., "Application of statistical techniques to the analysis of solar coronal oscillations", "The Astrophysical Journal", Volume 614, Pages 435-447, 2004. Paper.
Carbonell, M.; Oliver,R.; Ballester,J. L., "Time damping of linear non-adiabatic magnetohydrodynamic waves in an unbounded plasma with solar coronal properties", "Astronomy and Astrophysics", Volume 415, Pages 739-750, 2004. Paper.