Comparison of ERS-1 AMI Wind Scatterometer and SSM/I sea ice extent retrievals in the Greenland and East Siberian Seas from 1992 to 1996 - Grandell, Jochen, 1970-; Johannessen, Johnny André; Hallikainen, Martti, 1946-; Johannessen, Johnny A.; Teknillinen korkeakoulu. Avaruustekniikan laboratorio (Espoo : Helsinki University of Technology, 1998)