@article{Wiszniewski:264,
      author       = "Wiszniewski, A and Kasztenny, B",
      title        = "Fuzzy Set Approach to Transformer Differential Relay",
      number       = "ENY-ARTICLE-2008-210. ISBN: 0-85296-559-1",
      pages        = "4p",
      month        = "Mar",
      year         = "1993",
      note         = "Fifth International Conference on Developments in Power
                      System Protection, 1993., York, pp. 169 - 172",
}