Fingerhut, R. L.; McCall, M. L.; De Robertis, M.; Kingsburgh, R. L.; Komljenovic, M.; Lee, H.; Buta, R. J. (2003). “The Extinction and Distance of Maffei 1”. 《The Astrophysical Journal》 587 (2): 672. arXiv:astro-ph/0301414. Bibcode:2003ApJ...587..672F. doi:10.1086/368339.
Fingerhut, R. L.; Lee, H.; McCall, M. L.; Richer, M. G. (2007). “The Extinction and Distance of Maffei 2 and a New View of the IC 342/Maffei Group”. 《The Astrophysical Journal》 655 (2): 814. arXiv:astro-ph/0610044. Bibcode:2007ApJ...655..814F. doi:10.1086/509862.
Trusock, Tom (2005년 11월 6일). “Small Wonders: Cassiopeia”(PDF). 《Cloudy Nights Telescope Reviews》 (cloudynights.com). 2011년 11월 13일에 원본 문서(pdf)에서 보존된 문서. 2016년 1월 9일에 확인함.
doi.org
dx.doi.org
Fingerhut, R. L.; McCall, M. L.; De Robertis, M.; Kingsburgh, R. L.; Komljenovic, M.; Lee, H.; Buta, R. J. (2003). “The Extinction and Distance of Maffei 1”. 《The Astrophysical Journal》 587 (2): 672. arXiv:astro-ph/0301414. Bibcode:2003ApJ...587..672F. doi:10.1086/368339.
Fingerhut, R. L.; Lee, H.; McCall, M. L.; Richer, M. G. (2007). “The Extinction and Distance of Maffei 2 and a New View of the IC 342/Maffei Group”. 《The Astrophysical Journal》 655 (2): 814. arXiv:astro-ph/0610044. Bibcode:2007ApJ...655..814F. doi:10.1086/509862.
Maffei, P. (1968). “Infrared Object in the Region of IC 1895”. 《Publications of the Astronomical Society of the Pacific》 80: 618. Bibcode:1968PASP...80..618M. doi:10.1086/128698.
Bell, M. B.; Seaquist, E. R.; Braun, L. D. (1970). “Nonthermal Radio Emission from an Infrared Object in the Region of IC 1805”. 《The Astrophysical Journal》 161: L13. Bibcode:1970ApJ...161L..13B. doi:10.1086/180561.
Karachentsev, I. D.; Sharina, M. E.; Dolphin, A. E.; Grebel, E. K. (2003). “Distances to nearby galaxies around IC 342”. 《Astronomy and Astrophysics》 408: 111. Bibcode:2003A&A...408..111K. doi:10.1051/0004-6361:20030912.
Buta, R. J.; McCall, M. L. (1999). “The IC 342/Maffei Group Revealed”. 《The Astrophysical Journal Supplement Series》 124: 33. Bibcode:1999ApJS..124...33B. doi:10.1086/313255.
Fingerhut, R. L.; McCall, M. L.; De Robertis, M.; Kingsburgh, R. L.; Komljenovic, M.; Lee, H.; Buta, R. J. (2003). “The Extinction and Distance of Maffei 1”. 《The Astrophysical Journal》 587 (2): 672. arXiv:astro-ph/0301414. Bibcode:2003ApJ...587..672F. doi:10.1086/368339.
Fingerhut, R. L.; Lee, H.; McCall, M. L.; Richer, M. G. (2007). “The Extinction and Distance of Maffei 2 and a New View of the IC 342/Maffei Group”. 《The Astrophysical Journal》 655 (2): 814. arXiv:astro-ph/0610044. Bibcode:2007ApJ...655..814F. doi:10.1086/509862.
Maffei, P. (1968). “Infrared Object in the Region of IC 1895”. 《Publications of the Astronomical Society of the Pacific》 80: 618. Bibcode:1968PASP...80..618M. doi:10.1086/128698.
Bell, M. B.; Seaquist, E. R.; Braun, L. D. (1970). “Nonthermal Radio Emission from an Infrared Object in the Region of IC 1805”. 《The Astrophysical Journal》 161: L13. Bibcode:1970ApJ...161L..13B. doi:10.1086/180561.
Karachentsev, I. D.; Sharina, M. E.; Dolphin, A. E.; Grebel, E. K. (2003). “Distances to nearby galaxies around IC 342”. 《Astronomy and Astrophysics》 408: 111. Bibcode:2003A&A...408..111K. doi:10.1051/0004-6361:20030912.
Buta, R. J.; McCall, M. L. (1999). “The IC 342/Maffei Group Revealed”. 《The Astrophysical Journal Supplement Series》 124: 33. Bibcode:1999ApJS..124...33B. doi:10.1086/313255.
Trusock, Tom (2005년 11월 6일). “Small Wonders: Cassiopeia”(PDF). 《Cloudy Nights Telescope Reviews》 (cloudynights.com). 2011년 11월 13일에 원본 문서(pdf)에서 보존된 문서. 2016년 1월 9일에 확인함.