Rosas, I., Roy Ocotla, G., Mosiño, P., Baez, A. and Rivera, L. 1987. Abundance and heterogeneity of algae in the Mexico City atmosphere. Geofisica Internacional. 26, 3 (Jul. 1987), 359–373. DOI:https://doi.org/10.22201/igeof.00167169p.1987.26.3.1310.