Bogdanov, Slavko; van den Berg, Maureen; Servillat, Mathieu; Heinke, Craig O.; Grindlay, Jonathan E.; Stairs, Ingrid H.; Ransom, Scott M.; Freire, Paulo C. C.; Bégin, Steve; Becker, Werner. Travanj 2011. Chandra X-ray Observations of 12 Millisecond Pulsars in the Globular Cluster M28. The Astrophysical Journal (engleski). 730 (2): 81. arXiv:1101.4944. Bibcode:2011ApJ...730...81B. doi:10.1088/0004-637X/730/2/81. ISSN0004-637X
Bogdanov, Slavko; van den Berg, Maureen; Servillat, Mathieu; Heinke, Craig O.; Grindlay, Jonathan E.; Stairs, Ingrid H.; Ransom, Scott M.; Freire, Paulo C. C.; Bégin, Steve; Becker, Werner. Travanj 2011. Chandra X-ray Observations of 12 Millisecond Pulsars in the Globular Cluster M28. The Astrophysical Journal (engleski). 730 (2): 81. arXiv:1101.4944. Bibcode:2011ApJ...730...81B. doi:10.1088/0004-637X/730/2/81. ISSN0004-637X
Bogdanov, Slavko; van den Berg, Maureen; Servillat, Mathieu; Heinke, Craig O.; Grindlay, Jonathan E.; Stairs, Ingrid H.; Ransom, Scott M.; Freire, Paulo C. C.; Bégin, Steve; Becker, Werner. Travanj 2011. Chandra X-ray Observations of 12 Millisecond Pulsars in the Globular Cluster M28. The Astrophysical Journal (engleski). 730 (2): 81. arXiv:1101.4944. Bibcode:2011ApJ...730...81B. doi:10.1088/0004-637X/730/2/81. ISSN0004-637X
Bogdanov, Slavko; van den Berg, Maureen; Servillat, Mathieu; Heinke, Craig O.; Grindlay, Jonathan E.; Stairs, Ingrid H.; Ransom, Scott M.; Freire, Paulo C. C.; Bégin, Steve; Becker, Werner. Travanj 2011. Chandra X-ray Observations of 12 Millisecond Pulsars in the Globular Cluster M28. The Astrophysical Journal (engleski). 730 (2): 81. arXiv:1101.4944. Bibcode:2011ApJ...730...81B. doi:10.1088/0004-637X/730/2/81. ISSN0004-637X