Darragh, A. N.; Murphy, B. W. (July 2012), "New SX Phoenicis Variables in the Globular Cluster NGC 4833", Journal of the Southeastern Association for Research in Astronomy, 6: 72–77, arXiv:1205.1025, Bibcode:2012JSARA...6...72D.
Jones, K. G. (March 1969), "The search for the nebulae - VI", Journal of the British Astronomical Association, 79: 213–222, Bibcode:1969JBAA...79..213J.
Darragh, A. N.; Murphy, B. W. (July 2012), "New SX Phoenicis Variables in the Globular Cluster NGC 4833", Journal of the Southeastern Association for Research in Astronomy, 6: 72–77, arXiv:1205.1025, Bibcode:2012JSARA...6...72D.