Multiperiodicity in the light variations of the β Cephei star β CrucisJ. Cuypers, C. Aerts, D. Buzasi, J. Catanzarite, T. Conrow and R. LaherA&A, 392 2 (2002) 599-603DOI: https://doi.org/10.1051/0004-6361:20020955