[1] Cui X Q, Zhao Y H, Chu Y Q, et al. Research in Astronomy and Astrophysics, 2012, 12(9): 1197.
[2] Zhao G, Zhao Y H, Chu Y Q, et al. Research in Astronomy and Astrophysics, 2012, 12(7): 723.
[3] Luo A L, Zhang H T, Zhao Y H, et al. Research in Astronomy and Astrophysics, 2012, 12(9): 1243.
[4] Wei P, Luo A, Li Y, et al. The Astronomical Journal, 2014, 147(5): 101.
[5] Lee Y S, Beers T C, Sivarani T, et al. The Astronomical Journal, 2008, 136(5): 2022.
[6] Bolton A S, Schlegel D J, Aubourg , et al. The Astronomical Journal, 2012, 144(5): 144.
[7] Wu Y, Luo A L, Li H N, et al. Research in Astronomy and Astrophysics, 2011, 11(8): 924.
[8] Duan F, Wu F. Pattern Recognition and Data Mining, 2005: 529.
[9] Wei P, Luo A, Li Y, et al. Monthly Notices of the Royal Astronomical Society, 2013, 431(2): 1800.
[10] Tu L, Luo A, Wu F, et al. Science China Physics, Mechanics and Astronomy, 2010, 53(10): 1928.
[11] Bochanski J J, West A A, Hawley S L, et al. The Astronomical Journal, 2007, 133(2): 531.