Chandra's Close Encounter with the Disintegrating Comets 73P/2006 (Schwassmann- Wachmann 3) Fragment B and C/1999 S4 (LINEAR)DOI: info:10.1088/0004-637X/694/2/1293v. 6941293–1308
Wolk, S. J., Lisse, C. M., Bodewits, D., Christian, D. J., and Dennerl, K. 2009. "Chandra's Close Encounter with the Disintegrating Comets 73P/2006 (Schwassmann- Wachmann 3) Fragment B and C/1999 S4 (LINEAR)." The Astrophysical Journal, 694 1293–1308. https://doi.org/10.1088/0004-637X/694/2/1293.