Preliminary Results from the Occultation of 28 Sgr by the Saturn System: Titan Reitsema, H. ; Hubbard, W. ; Hunten, D. M. ; Porco, C. C. ; Brosch, N. ; Nevo, Y. ; Carreira, E. ; Rossi, F. ; Wasserman, L. H. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: June 1989 Bibcode: 1989BAAS...21..958R