The effective temperature scale of giant stars (F0–K5) - II. Empirical calibration of versus colours and [Fe/H]A. Alonso, S. Arribas and C. Martínez-RogerAstron. Astrophys. Suppl. Ser., 140 3 (1999) 261-277DOI: https://doi.org/10.1051/aas:1999521