Pour ce faire l'IRM se base sur les références suivantes : - (12) J. Scotto et co-auteurs, " Biologically effective ultraviolet radiation : surface measurements in the United States, 1974 to 1985 " , " Science " , volume 239, pages 762-764, 1988. - (13) M. Blumthaler, W. Ambach, " Indication of increasing solar Ultraviolet-B radiation in Alpine regions " , " Science " volume 248, pages 206-208, 1990. - (14) D. L.
Hiervoor baseert het KMI zich op volgende referenties : - (12) J. Scotto en medewerkers, " Biologically effective ultraviolet radiation : surface measurements in the United States, 1974 to 1985 " , " Science " , volume 239, blz. 762-764, 1988. - (13) M. Blumthaler, W. Ambach, " Indication of increasing solar Ultraviolet-B radiation in Alpine regions " , " Science " volume 248, blz. 206-208, 1990. - (14) D. L.