@Conference{koz-corr,
  author	= {W. Kozek and F. Hlawatsch and H. Kirchauer and U. Trautwein},
  title		= {Correlative time-frequency analysis and classification of nonstationary random processes},
  booktitle	= {Proc. IEEE-SP Int. Sympos. Time-Frequency Time-Scale Analysis},
  year		= {1994},
  month		= {Oct.},
  address	= {Philadelphia, PA},
  pages		= {417--420}
}