Stratospheric trace gas measurements by the Airborne Submillimeter Radiometer ASUR during SCIA-VALUE 2002 (validation and utilisation of ENVISAT and SCIAMACHY data products). - Jayanarayanan Kuttippurath; Armin Kleinböhl; Holger Bremer; Harry Küllmann; Miriam von König; Klaus Künzi (IGARSS, 2003)