@misc {IOPORT.70528756,
    author       = {Zheng, Hong and Li, Wenqing and Cao, Qiong},
    title        = {Research on factors of the availability of remote sensing images and the assessment model based on the structure of clouds},
    howpublished = {CSIE (6), 24-28 (2009).},
    year         = {2009},
    identifier   = {70528756},
}