WFPC2 observations of two dwarf spheroidal galaxies in the M 81 group
I. D. Karachentsev, M. E. Sharina, A. E. Dolphin, D. Geisler, E. K. Grebel, P. Guhathakurta, P. W. Hodge, V. E. Karachentseva, A. Sarajedini and P. Seitzer
A&A, 375 2 (2001) 359-365
DOI: https://doi.org/10.1051/0004-6361:20010716
