Alatalo, K.; et al. (November 2014). "Strong Far-infrared Cooling Lines, Peculiar CO Kinematics, and Possible Star-formation Suppression in Hickson Compact Group 57". The Astrophysical Journal. 795 (2). arXiv:1409.5482. Bibcode:2014ApJ...795..159A. doi:10.1088/0004-637X/795/2/159. 159.
Alatalo, K.; et al. (November 2014). "Strong Far-infrared Cooling Lines, Peculiar CO Kinematics, and Possible Star-formation Suppression in Hickson Compact Group 57". The Astrophysical Journal. 795 (2). arXiv:1409.5482. Bibcode:2014ApJ...795..159A. doi:10.1088/0004-637X/795/2/159. 159.
Alatalo, K.; et al. (November 2014). "Strong Far-infrared Cooling Lines, Peculiar CO Kinematics, and Possible Star-formation Suppression in Hickson Compact Group 57". The Astrophysical Journal. 795 (2). arXiv:1409.5482. Bibcode:2014ApJ...795..159A. doi:10.1088/0004-637X/795/2/159. 159.