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Nakajima, Tadashi; Morino, Jun-Ichi; Fukagawa, Misato, Potential Members of Stellar Kinematical Groups within 20 pc of the Sun, The Astronomical Journal, September 2010, 140 (3): 713–722, Bibcode:2010AJ....140..713N, doi:10.1088/0004-6256/140/3/713