2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/3484We present the first results of time-resolved spectroscopic observations of little-studied dwarf nova BZ Ursae Majoris in quiescence.2 pages, 1 figure, Latex, uses newpasp.sty; to appear in `The Physics of Cataclysmic Variables and Related Objects', ASP Conf. Ser., eds. B.T. Gaensicke, K. Beuermann, K. ReinschAstrophysicstext