Fromm 2005. Fromm, Michael; Bevilacqua, Richard; Servranckx, René; Rosen, James; Thayer, Jeffrey P.; Jay, Herman; Larko, David (27 de abril de 2005), «Pyro-cumulonimbus injection of smoke to the stratosphere: Observations and impact of a super blowup in northwestern Canada on 3–4 August 1998», Journal of Geophysical Research: Atmospheres, 110 (D8): D08205, Bibcode:2005JGRD..110.8205F, doi:10.1029/2004JD005350
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Fromm 2005. Fromm, Michael; Bevilacqua, Richard; Servranckx, René; Rosen, James; Thayer, Jeffrey P.; Jay, Herman; Larko, David (27 de abril de 2005), «Pyro-cumulonimbus injection of smoke to the stratosphere: Observations and impact of a super blowup in northwestern Canada on 3–4 August 1998», Journal of Geophysical Research: Atmospheres, 110 (D8): D08205, Bibcode:2005JGRD..110.8205F, doi:10.1029/2004JD005350