Hoffmann, C. G., U. Raffalski, M. Palm, B. Funke, S. H. W. Golchert, G. Hochschild, and J. Notholt (2011), Observation of strato-mesospheric CO above Kiruna with ground-based microwave radiometry - retrieval and satellite comparison, ATMOSPHERIC MEASUREMENT TECHNIQUES, 4(11), 2389-2408, doi:10.5194/amt-4-2389-2011.