Authors: Costa, VM Lago, MTVT Norci, L Meurs, EJA

Citation: Vm. Costa et al., T Tauri stars: The UV/X-ray connection, ASTRON ASTR, 354(2), 2000, pp. 621-635

Authors: Brooks, DH Costa, VM Lago, MTVT Lanzafame, AC

Citation: Dh. Brooks et al., Understanding the atmospheric structure of T Tauri stars - I. Improved atomic physics applied to IUE data of BP Tauri, M NOT R AST, 307(4), 1999, pp. 895-908

Authors: Costa, VM Gameiro, JF Lago, MTVT

Citation: Vm. Costa et al., Is LkH alpha 264 like a young, extremely active Sun?, M NOT R AST, 307(3), 1999, pp. L23-L26