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Lee, Byeong-Cheol; Han, Inwoo; Park, Myeong-Gu; Mkrtichian, David E.; Jeong, Gwanghui; Kim, Kang-Min; Valyavin, Gennady (2014). "PLANETARY COMPANION IN K GIANT σ PERSEI". Journal of the Korean Astronomical Society. 47 (2): 69. arXiv:1405.2130. Bibcode:2014JKAS...47...69L. doi:10.5303/JKAS.2014.47.2.69.