Dark and luminous matter in the NGC 3992 group of galaxies - II. The dwarf companions UGC 6923, UGC 6940, UGC 6969, and the Tully-Fisher relation
A&A, 388 3 (2002) 809-825
Published online: 10 June 2002
DOI: 10.1051/0004-6361:20020541