2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/13403New constraints on the Milky Way's bar parameters are derived from the gaseous spiral structure within the Galactic bar, and in particular from the identification of the dustlanes leading the bar major axis.2 pages, LaTeX (paspconf.sty), 1 figure. To appear in the proceedings of "Galaxy Dynamics", conference held in Rutgers, August 1998Astrophysicstext