Tsunemi, Hiroshi; Katsuda, Satoru; Nemes, Norbert; Miller, Eric D. (2007). "The Plasma Structure of the Cygnus Loop from the Northeastern Rim to the Southwestern Rim". The Astrophysical Journal. 671 (2): 1717. arXiv:0710.1135. Bibcode:2007ApJ...671.1717T. doi:10.1086/523263. S2CID15607251.
Graham, James R.; et al. (May 1995). "An X-ray and optical study of the interaction of the Cygnus Loop supernova remnant with an interstellar cloud". The Astrophysical Journal. 444 (5): 787. Bibcode:1995ApJ...444..787G. doi:10.1086/175651. ISSN0004-637X.
Tsunemi, Hiroshi; Katsuda, Satoru; Nemes, Norbert; Miller, Eric D. (2007). "The Plasma Structure of the Cygnus Loop from the Northeastern Rim to the Southwestern Rim". The Astrophysical Journal. 671 (2): 1717. arXiv:0710.1135. Bibcode:2007ApJ...671.1717T. doi:10.1086/523263. S2CID15607251.
Graham, James R.; et al. (May 1995). "An X-ray and optical study of the interaction of the Cygnus Loop supernova remnant with an interstellar cloud". The Astrophysical Journal. 444 (5): 787. Bibcode:1995ApJ...444..787G. doi:10.1086/175651. ISSN0004-637X.
Tsunemi, Hiroshi; Katsuda, Satoru; Nemes, Norbert; Miller, Eric D. (2007). "The Plasma Structure of the Cygnus Loop from the Northeastern Rim to the Southwestern Rim". The Astrophysical Journal. 671 (2): 1717. arXiv:0710.1135. Bibcode:2007ApJ...671.1717T. doi:10.1086/523263. S2CID15607251.
Tsunemi, Hiroshi; Katsuda, Satoru; Nemes, Norbert; Miller, Eric D. (2007). "The Plasma Structure of the Cygnus Loop from the Northeastern Rim to the Southwestern Rim". The Astrophysical Journal. 671 (2): 1717. arXiv:0710.1135. Bibcode:2007ApJ...671.1717T. doi:10.1086/523263. S2CID15607251.
Graham, James R.; et al. (May 1995). "An X-ray and optical study of the interaction of the Cygnus Loop supernova remnant with an interstellar cloud". The Astrophysical Journal. 444 (5): 787. Bibcode:1995ApJ...444..787G. doi:10.1086/175651. ISSN0004-637X.