@Article{acpd-8-9697-2008, AUTHOR = {Wang, P. and Stammes, P. and van der A, R. and Pinardi, G. and van Roozendael, M.}, TITLE = {FRESCO+: an improved O$_{2}$ A-band cloud retrieval algorithm for tropospheric trace gas retrievals}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {8}, YEAR = {2008}, NUMBER = {3}, PAGES = {9697--9729}, URL = {http://www.atmos-chem-phys-discuss.net/8/9697/2008/}, DOI = {10.5194/acpd-8-9697-2008} }