MACCRACKEN, MC; Covey, C.; Thompson, S.L.; Weissman, P.R. (1994), "Global Climatic Effects of Atmospheric Dust from An Asteroid or Comet Impact on Earth", Global and Planetary Change, 9 (3–4): 263–273, Bibcode:1994GPC.....9..263C, doi:10.1016/0921-8181(94)90020-5
Covey, C; Morrison, D.; Toon, O.B.; Turco, R.P.; Zahnle, K. (1997), "Environmental Perturbations Caused By the Impacts of Asteroids and Comets", Reviews of Geophysics, 35 (1): 41–78, Bibcode:1997RvGeo..35...41T, doi:10.1029/96rg03038
Bains, KH; Ianov, BA; Ocampo, AC; Pope, KO (1994), "Impact Winter and the Cretaceous-Tertiary Extinctions - Results Of A Chicxulub Asteroid Impact Model", Earth and Planetary Science Letters, 128 (3–4): 719–725, Bibcode:1994E&PSL.128..719P, doi:10.1016/0012-821x(94)90186-4, PMID11539442
MACCRACKEN, MC; Covey, C.; Thompson, S.L.; Weissman, P.R. (1994), "Global Climatic Effects of Atmospheric Dust from An Asteroid or Comet Impact on Earth", Global and Planetary Change, 9 (3–4): 263–273, Bibcode:1994GPC.....9..263C, doi:10.1016/0921-8181(94)90020-5
Covey, C; Morrison, D.; Toon, O.B.; Turco, R.P.; Zahnle, K. (1997), "Environmental Perturbations Caused By the Impacts of Asteroids and Comets", Reviews of Geophysics, 35 (1): 41–78, Bibcode:1997RvGeo..35...41T, doi:10.1029/96rg03038
Bains, KH; Ianov, BA; Ocampo, AC; Pope, KO (1994), "Impact Winter and the Cretaceous-Tertiary Extinctions - Results Of A Chicxulub Asteroid Impact Model", Earth and Planetary Science Letters, 128 (3–4): 719–725, Bibcode:1994E&PSL.128..719P, doi:10.1016/0012-821x(94)90186-4, PMID11539442
"Sentry Risk Table". NASA/JPL Near-Earth Object Program Office. 9 December 2014. Archived from the original on December 31, 2014. Retrieved 2014-12-10.
Bains, KH; Ianov, BA; Ocampo, AC; Pope, KO (1994), "Impact Winter and the Cretaceous-Tertiary Extinctions - Results Of A Chicxulub Asteroid Impact Model", Earth and Planetary Science Letters, 128 (3–4): 719–725, Bibcode:1994E&PSL.128..719P, doi:10.1016/0012-821x(94)90186-4, PMID11539442
"Sentry Risk Table". NASA/JPL Near-Earth Object Program Office. 9 December 2014. Archived from the original on December 31, 2014. Retrieved 2014-12-10.