CCD astrometry of Saturn's satellites in 1995 and 1997D. Harper, K. Beurle, I. P. Williams, C. D. Murray, D. B. Taylor, A. Fitzsimmons and I. M. CartwrightAstron. Astrophys. Suppl. Ser., 136 2 (1999) 257-259DOI: https://doi.org/10.1051/aas:1999211