HST-ACS photometry of the isolated dwarf galaxy VV124=UGC 4879 - Detection of the blue horizontal branch and identification of two young star clustersM. Bellazzini, S. Perina, S. Galleti and T. OosterlooA&A, 533 (2011) A37DOI: https://doi.org/10.1051/0004-6361/201117275
