Lopez, Laura A.; Ramirez-Ruiz, Enrico; Castro, Daniel; Pearson, Sarah. The Galactic Supernova Remnant W49B Likely Originates from a Jet-Driven, Core-Collapse Explosion. The Astrophysical Journal. 2013, 764: 50. Bibcode:2013ApJ...764...50L. arXiv:1301.0618. doi:10.1088/0004-637X/764/1/50.
Lopez, L. A.; Ramirez-Ruiz, E.; Pooley, D. A.; Jeltema, T. E. Tools for Dissecting Supernova Remnants Observed with Chandra: Methods and Application to the Galactic Remnant W49B. The Astrophysical Journal. 2009, 691: 875. Bibcode:2009ApJ...691..875L. arXiv:0810.0009. doi:10.1088/0004-637X/691/1/875.
Lopez, Laura A.; Ramirez-Ruiz, Enrico; Castro, Daniel; Pearson, Sarah. The Galactic Supernova Remnant W49B Likely Originates from a Jet-Driven, Core-Collapse Explosion. The Astrophysical Journal. 2013, 764: 50. Bibcode:2013ApJ...764...50L. arXiv:1301.0618. doi:10.1088/0004-637X/764/1/50.
Lopez, L. A.; Ramirez-Ruiz, E.; Pooley, D. A.; Jeltema, T. E. Tools for Dissecting Supernova Remnants Observed with Chandra: Methods and Application to the Galactic Remnant W49B. The Astrophysical Journal. 2009, 691: 875. Bibcode:2009ApJ...691..875L. arXiv:0810.0009. doi:10.1088/0004-637X/691/1/875.
Lopez, Laura A.; Ramirez-Ruiz, Enrico; Castro, Daniel; Pearson, Sarah. The Galactic Supernova Remnant W49B Likely Originates from a Jet-Driven, Core-Collapse Explosion. The Astrophysical Journal. 2013, 764: 50. Bibcode:2013ApJ...764...50L. arXiv:1301.0618. doi:10.1088/0004-637X/764/1/50.
Lopez, L. A.; Ramirez-Ruiz, E.; Pooley, D. A.; Jeltema, T. E. Tools for Dissecting Supernova Remnants Observed with Chandra: Methods and Application to the Galactic Remnant W49B. The Astrophysical Journal. 2009, 691: 875. Bibcode:2009ApJ...691..875L. arXiv:0810.0009. doi:10.1088/0004-637X/691/1/875.