Fischer, W. H., Lodge, J. P., Pate, J. B., & Cadle, R. D. (1969). Antarctic atmospheric chemistry: Preliminary exploration. Science, 164, 66-67. doi:10.1126/science.164.3875.66
The particulate and trace gas content of polar air is very similar to that of tropical air despite differences in climatology and biotic activity, biologic particulates and moisture.
