1993 BX3
1993 Comet Handbook
1993 DC
1993 December 10 (meeting)
1993 December 10 meeting of the Royal Astronomical Society
1993 DQ1
1993 EA = 1984 AJ
1993 European School of High-Energy Physics. Proceedings.
1993 February 12 (meeting)
1993 February 12 meeting of the Royal Astronomical Society
1993 FS
1993 FW
1993 FW
1993 FW
1993 FW
1993 FW
1993 FW
1993 FW
1993 FW.
1993 GD