CCD photometry and astrometry of visual double and multiple stars of the HIPPARCOS Catalogue - II. CCD photometry and differential astrometry of 288 southern "Intermediate” systems
Astron. Astrophys. Suppl. Ser., 139 3 (1999) 425-431
Published online: 15 November 1999
DOI: 10.1051/aas:1999512