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Foppa, Nando; Hauser, Adrian; Oesch, David; Wunderle, Stefan; Meister, Roland (2007). Validation of operational AVHRR subpixel snow retrievals over the European Alps based on ASTER data. International journal of remote sensing, 28(21), pp. 4841-4865. London: Taylor & Francis 10.1080/01431160701253287
