Ballester, J. L.; Reglero, V.; Fuensalida, J. J.; Arévalo, M. J., "Photoelectric observations of the flare star AD Leo", "Information Bulletin Variable Stars", Issue 2752, Pages 1-3, 1985. Paper.
Ballester, J. L.; Giménez, A.; Reglero, V.; Fernández-Figueroa, M. J.; Castro, E. de, "Stromgrem uvby photoelectric photometry of the RS Cvn like binaries σ2 CrB and HD166181", "Information Bulletin Variable Stars", Issue 2797, Pages 1-6, 1985. Paper.
Ballester, J. L.; Kleczek, J., "Protuberancias solares", "Investigación y Ciencia", Issue 109, Pages 10-17, 1985. Paper.