Hofmann, D.J. y Rosen, J.M. 1984. Balloonborne particle counter observations of the El Chichón aerosol layers in the 0.01 - 1.8 µm radius range. Geofísica Internacional. 23, 2 (abr. 1984), 155–185. DOI:https://doi.org/10.22201/igeof.00167169p.1984.23.2.836.