«Evidence for the Binary Nature of Centaurus X-3 from UHURU X-Ray Observations». Astroph. J.172 (3): L79–L89. Μάρτιος 1972. doi:10.1086/180896. Bibcode: 1972ApJ...172L..79S.
«Evidence for the Binary Nature of Centaurus X-3 from UHURU X-Ray Observations». Astroph. J.172 (3): L79–L89. Μάρτιος 1972. doi:10.1086/180896. Bibcode: 1972ApJ...172L..79S.