- Symbolism and penumbrism in the poetry of Cecília Meireles2022 | Faculty of Arts
- Relation between magnetic field inclination and apparent motion of penumbral grains2023 | Faculty of Mathematics and Physics
- Solar radiation pressure perturbations for Earth satellites. IV. Effects of the Earth's polar flattening on the shadow structure and the penumbre transitions1996 | Faculty of Mathematics and Physics
- The role of magnetic fields in the evolutions of pores2021 | Faculty of Mathematics and Physics
- The role of vertical magnetic fields on the evolution of solar spots2022 | Faculty of Mathematics and Physics