A 2.15 hr Orbital Period for the Low-mass X-Ray Binary XB 1832-330 in the Globular Cluster NGC 6652DOI: info:10.1088/0004-637X/747/2/119v. 747119
Engel, M. C., Heinke, C. O., Sivakoff, G. R., Elshamouty, K. G., and Edmonds, P. D. 2012. "A 2.15 hr Orbital Period for the Low-mass X-Ray Binary XB 1832-330 in the Globular Cluster NGC 6652." The Astrophysical Journal, 747 119. https://doi.org/10.1088/0004-637X/747/2/119.