@inproceedings{CLARMANN98_SPIE, author = "T. von Clarmann and G. Echle", title = "Microwindow Optimization for Atmospheric Spectroscopy", booktitle = "Optical Remote Sensing of the Atmosphere and Clouds", organization = "Optical Remote Sensing, 15--17 September 1998, Beijing, China", editor = "J. Wang and B. Wu and T. Ogawa and Z. Guan", journal= "Proc. SPIE", volume = "3501", pages = "238-246", year = "1998" }