Stellar models for a wide range of initial chemical compositions until helium burning - IV. From X = 0.65 to X = 0.80, for Z = 0.004A. Claret and A. GiménezAstron. Astrophys. Suppl. Ser., 133 1 (1998) 123-127DOI: https://doi.org/10.1051/aas:1998452