Orbital elements of the double lined spectroscopic binaries HD 3405, 6619 and 155555. Bennett, N. W. W. ; Evans, D. S. ; Laing, J. D. Abstract Publication: Monthly Notices of the Royal Astronomical Society Pub Date: 1967 DOI: 10.1093/mnras/137.1.107 Bibcode: 1967MNRAS.137..107B