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Vincent Sicotte; Claude Carignan & Daniel Durand. NGC 5204: A Strongly Warped Magellanic Spiral. I. Light Distribution and HII Kinematics. Astronomical Journal. 1996, 112: 1423–1428. Bibcode:1996AJ....112.1423S. doi:10.1086/118110.
David M. Matonick & Robert A. Fesen. Optically Identified Supernova Remnants in the Nearby Spiral Galaxies NGC 5204, NGC 5585, NGC 6946, M81, and M101. The Astrophysical Journal Supplement Series. 1997, 112 (1): 49–107. Bibcode:1997ApJS..112...49M. doi:10.1086/313034.