Citation

Simon, P.C.; Pastiels, R.; Nevejans, D.; Gillotay, D. (1982). Balloon observations of solar ultraviolet irradiance during solar cycle 21. (London, J., Ed.), Symposium on the Solar Constant and the Spectral Distribution of Solar Irradiance, IAMAP Third Scientific Assembly, 17 -28 August, 1981, Hamburg, Federal Republic of Germany, 95-102,