Kirkpatrick, J. Davy; Cushing, Michael C. et al. (2011). “The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE)”. The Astrophysical Journal Supplement Series197 (2): 19. arXiv:1108.4677. Bibcode: 2011ApJS..197...19K. doi:10.1088/0067-0049/197/2/19.
Kirkpatrick, J. Davy; Cushing, Michael C. et al. (2011). “The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE)”. The Astrophysical Journal Supplement Series197 (2): 19. arXiv:1108.4677. Bibcode: 2011ApJS..197...19K. doi:10.1088/0067-0049/197/2/19.
Whitmire, D. P.; Jackson, A. A. (1984). “Are periodic mass extinctions driven by a distant solar companion?”. Nature308 (5961): 713–715. Bibcode: 1984Natur.308..713W. doi:10.1038/308713a0.
Kirkpatrick, J. Davy; Cushing, Michael C. et al. (2011). “The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE)”. The Astrophysical Journal Supplement Series197 (2): 19. arXiv:1108.4677. Bibcode: 2011ApJS..197...19K. doi:10.1088/0067-0049/197/2/19.
Whitmire, D. P.; Jackson, A. A. (1984). “Are periodic mass extinctions driven by a distant solar companion?”. Nature308 (5961): 713–715. Bibcode: 1984Natur.308..713W. doi:10.1038/308713a0.