@article{DBLP:journals/aei/QiuLLY03,
  author    = {Hai Qiu and
               Jay Lee and
               Jing Lin and
               Gang Yu},
  title     = {Robust performance degradation assessment methods for enhanced
               rolling element bearing prognostics},
  journal   = {Advanced Engineering Informatics},
  volume    = {17},
  number    = {3-4},
  year      = {2003},
  pages     = {127-140},
  ee        = {http://dx.doi.org/10.1016/j.aei.2004.08.001},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}