Discovery of Fast-Moving X-Ray-Emitting Ejecta Knots in the Oxygen-Rich Supernova Remnant Puppis ADOI: info:10.1086/586891v. 678297–302
Katsuda, S., Mori, K., Tsunemi, H., Park, S., Hwang, U., Burrows, David N., Hughes, J. P., and Slane, Patrick O. 2008. "Discovery of Fast-Moving X-Ray-Emitting Ejecta Knots in the Oxygen-Rich Supernova Remnant Puppis A." The Astrophysical Journal, 678 297–302. https://doi.org/10.1086/586891.