The nearby eclipsing stellar system δ Velorum - II. First reliable orbit for the eclipsing pairT. Pribulla, A. Merand, P. Kervella, M. Vaňko, I. R. Stevens, R. Chini, V. Hoffmeister, O. Stahl, A. Berndt, M. Mugrauer and M. Ammler-von EiffA&A, 528 (2011) A21DOI: https://doi.org/10.1051/0004-6361/201016227