1. “Annals of the astrophysical observatory of the Smithsonian Institution” 3 (1913), 4 (1922), 5 (1932), 7 (1954).
2. Baker-Blocker, A. DeLuisi, J. J. and Dutton, E. (1984), “Received ultraviolet radiation at South Pole,” Solar Energy 32.
3. Berger, D. S. (1976), “The sunburning ultraviolet meter: design and performance,” Phot. Chem. Phot. Biol. 24.
4. Bhartia, P. K., Klenk, K. F., Wong, C. K. and Gordon, D. (1984), “Intercomparison of the Nimbus 7 SBUV/TOMS total ozone data sets with Dobson and M83 results,” J. Geophys. Res. 89, No. D4.
5. Coblentz, W. W., Gracely, F. R. and Stair, R. (1942), “Measurements of ultraviolet solar and sky radiation intensities in high latitudes,” Bureau of Standards Journal of Research 28.