Search for: [References = "16. VAN GEFFEN J., VAN DER A R., VAN WEELE M., ALLAART M., ESKES H., 2004. Surface UV radiation monitoring based on GOME and SCIAMACHY \[in\:\] Proceedings of the ENVISAT \& ERS Symposium, 6\-10 September 2004, Salzburg, Austria, ESA publication SP\-572, 10 pp."]