Variability of the transitional T Tauri star T ChamaeleontisE. Schisano, E. Covino, J. M. Alcalá, M. Esposito, D. Gandolfi and E. W. GuentherA&A, 501 3 (2009) 1013-1030DOI: https://doi.org/10.1051/0004-6361/200811073