1989 VB
1989 VB
1989 WM
1989 WM
1989 WM
1989-1994 CCD observations of Triton (Veiga+ 1996)
1989M - supernova in NGC 4579 (=M58).
198th Meeting of the American Astronomical Society
1990 April 5 (meeting)
1990 BA
1990 BA
1990 BG
1990 BG
1990 BG
1990 DA
1990 DA
1990 DA
1990 December 14 (meeting)
1990 HA
1990 HA