Kafka, S.; Honeycutt, R. K. (2005-08), “High/Low States in Magnetic Cataclysmic Variables”, Astronomical Journal130 (2): 742-758, Bibcode: 2005AJ....130..742K, doi:10.1086/431793
Szkody, Paula; Downes, Ronald (1988-03), “White dwarfs in cataclysmic variables - Low state IUE observations of V794 Aquilae, MR Serpentis, and AN Ursae Majoris”, Publications of the Astronomical Society of the Pacific100: 362-370, Bibcode: 1988PASP..100..362S, doi:10.1086/132178
Bond, H. E.; Tifft, W. G. (1974-12), “A spectroscopic survey of some high-latitude blue variables”, Publications of the Astronomical Society of the Pacific86: 981-984, Bibcode: 1974PASP...86..981B, doi:10.1086/129708
Campbell, Ryan K.; et al. (2008-05), “Cyclotron Modeling Phase-Resolved Infrared Spectroscopy of Polars. II. EQ Ceti, AN Ursa Majoris, and VV Puppis”, Astrophysical Journal678 (2): 1304-1315, Bibcode: 2008ApJ...678.1304C, doi:10.1086/533488
Szkody, P.; et al. (1981-05-15), “Simultaneous X-ray and optical observations of AN Ursae Majoris during a low state”, Astrophysical Journal246 (1): 223-230, Bibcode: 1981ApJ...246..223S, doi:10.1086/158915
Ramsay, Gavin; et al. (1994-10), “ROSAT observations of AN UMa and MR Ser: the status of the soft X-ray excess in AM Her stars”, Monthly Notices of the Royal Astronomical Society270 (3): 692-702, Bibcode: 1994MNRAS.270..692R, doi:10.1093/mnras/270.3.692
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Kafka, S.; Honeycutt, R. K. (2005-08), “High/Low States in Magnetic Cataclysmic Variables”, Astronomical Journal130 (2): 742-758, Bibcode: 2005AJ....130..742K, doi:10.1086/431793
Samus, N. N.; et al. (2009-01), “General Catalogue of Variable Stars”, VizieR On-line Data Catalog: B/gcvs, Bibcode: 2009yCat....102025S
Bonnet-Bidaud, J. M.; et al. (1996-02), “Spectral signatures of the fast optical oscillations in the AM Herculis system AN Ursae Majoris”, Astronomy & Astrophysics306: 199-211, Bibcode: 1996A&A...306..199B
Szkody, Paula; Downes, Ronald (1988-03), “White dwarfs in cataclysmic variables - Low state IUE observations of V794 Aquilae, MR Serpentis, and AN Ursae Majoris”, Publications of the Astronomical Society of the Pacific100: 362-370, Bibcode: 1988PASP..100..362S, doi:10.1086/132178
Bond, H. E.; Tifft, W. G. (1974-12), “A spectroscopic survey of some high-latitude blue variables”, Publications of the Astronomical Society of the Pacific86: 981-984, Bibcode: 1974PASP...86..981B, doi:10.1086/129708
Campbell, Ryan K.; et al. (2008-05), “Cyclotron Modeling Phase-Resolved Infrared Spectroscopy of Polars. II. EQ Ceti, AN Ursa Majoris, and VV Puppis”, Astrophysical Journal678 (2): 1304-1315, Bibcode: 2008ApJ...678.1304C, doi:10.1086/533488
Szkody, P.; et al. (1981-05-15), “Simultaneous X-ray and optical observations of AN Ursae Majoris during a low state”, Astrophysical Journal246 (1): 223-230, Bibcode: 1981ApJ...246..223S, doi:10.1086/158915
Ramsay, Gavin; et al. (1994-10), “ROSAT observations of AN UMa and MR Ser: the status of the soft X-ray excess in AM Her stars”, Monthly Notices of the Royal Astronomical Society270 (3): 692-702, Bibcode: 1994MNRAS.270..692R, doi:10.1093/mnras/270.3.692