TY - JOUR A1 - Wang, P. A1 - Stammes, P. A1 - van der A, R. A1 - Pinardi, G. A1 - van Roozendael, M. T1 - FRESCO+: an improved O2 A-band cloud retrieval algorithm for tropospheric trace gas retrievals JO - Atmos. Chem. Phys. J1 - ACP VL - 8 IS - 21 SP - 6565 EP - 6576 Y1 - 2008/11/14 PB - Copernicus Publications SN - 1680-7324 UR - https://acp.copernicus.org/articles/8/6565/2008/ L1 - https://acp.copernicus.org/articles/8/6565/2008/acp-8-6565-2008.pdf DO - 10.5194/acp-8-6565-2008 ER -