Adelman, Saul J. (May 2005), "uvby FCAPT Photometry of the Magnetic Chemically Peculiar Stars 36 Aurigae, HR 2722, 13 Andromedae, and HD 220147", The Publications of the Astronomical Society of the Pacific, 117 (831): 476–482, Bibcode:2005PASP..117..476A, doi:10.1086/429640.
Adelman, Saul J. (May 2005), "uvby FCAPT Photometry of the Magnetic Chemically Peculiar Stars 36 Aurigae, HR 2722, 13 Andromedae, and HD 220147", The Publications of the Astronomical Society of the Pacific, 117 (831): 476–482, Bibcode:2005PASP..117..476A, doi:10.1086/429640.