Appleton, P. N.; Charmandaris, V.; Gao, Yu; Jarrett, Tom; Bransford, M. A. (20 March 2003). "Azimuthal and Kinematic Segregation of Neutral and Molecular Gas in Arp 118: The Yin-Yang Galaxy NGC 1144". The Astrophysical Journal. 586 (1): 112–122. arXiv:astro-ph/0211585. Bibcode:2003ApJ...586..112A. doi:10.1086/367635. S2CID16467005.
Appleton, P. N.; Charmandaris, V.; Gao, Yu; Jarrett, Tom; Bransford, M. A. (20 March 2003). "Azimuthal and Kinematic Segregation of Neutral and Molecular Gas in Arp 118: The Yin-Yang Galaxy NGC 1144". The Astrophysical Journal. 586 (1): 112–122. arXiv:astro-ph/0211585. Bibcode:2003ApJ...586..112A. doi:10.1086/367635. S2CID16467005.
Appleton, P. N.; Charmandaris, V.; Gao, Yu; Jarrett, Tom; Bransford, M. A. (20 March 2003). "Azimuthal and Kinematic Segregation of Neutral and Molecular Gas in Arp 118: The Yin-Yang Galaxy NGC 1144". The Astrophysical Journal. 586 (1): 112–122. arXiv:astro-ph/0211585. Bibcode:2003ApJ...586..112A. doi:10.1086/367635. S2CID16467005.
Appleton, P. N.; Charmandaris, V.; Gao, Yu; Jarrett, Tom; Bransford, M. A. (20 March 2003). "Azimuthal and Kinematic Segregation of Neutral and Molecular Gas in Arp 118: The Yin-Yang Galaxy NGC 1144". The Astrophysical Journal. 586 (1): 112–122. arXiv:astro-ph/0211585. Bibcode:2003ApJ...586..112A. doi:10.1086/367635. S2CID16467005.