@misc {IOPORT.70605144,
    author       = {Xu, Yufa and Zuo, Ziyang and Chen, Guochu},
    title        = {Application of information entropy based on random set theory to the fault diagnosis of wind turbine generating units},
    howpublished = {ISCID (2), 46-48 (2009).},
    year         = {2009},
    identifier   = {70605144},
}