TY - JOUR A1 - Tuinder, O. N. E. A1 - de Winter-Sorkina, R. A1 - Builtjes, P. J. H. T1 - Retrieval methods of effective cloud cover from the GOME instrument: an intercomparison JO - Atmos. Chem. Phys. J1 - ACP VL - 4 IS - 1 SP - 255 EP - 273 Y1 - 2004/02/09 PB - Copernicus Publications SN - 1680-7316 UR - http://www.atmos-chem-phys.net/4/255/2004/ L1 - http://www.atmos-chem-phys.net/4/255/2004/acp-4-255-2004.pdf ER -