The INES system - II. Ripple correction and absolute calibration for IUE high resolution spectraA. Cassatella, A. Altamore, R. González-Riestra, J. D. Ponz, J. Barbero, A. Talavera and W. WamstekerAstron. Astrophys. Suppl. Ser., 141 2 (2000) 331-341DOI: https://doi.org/10.1051/aas:2000316