S: The ninth catalogue of spectroscopic binary orbitsD. Pourbaix, A. A. Tokovinin, A. H. Batten, F. C. Fekel, W. I. Hartkopf, H. Levato, N. I. Morrell, G. Torres and S. UdryA&A, 424 2 (2004) 727-732DOI: https://doi.org/10.1051/0004-6361:20041213
: The ninth catalogue of spectroscopic binary orbits: The ninth catalogue of spectroscopic binary orbits