@article{Leonowicz:312,
      author       = "Leonowicz, Z and Lobos, T and Schegner, P",
      title        = "Modern spectral analysis of non-stationary signals in
                      electrical power systems",
      number       = "ENY-ARTICLE-2009-251. RZ I07/2002/I-048",
      pages        = "6p",
      month        = "Lis",
      year         = "2001",
      note         = "14th Power Systems Computation Conference, PSCC, Sevilla,
                      Spain, 24-28 June 2002.",
}