@Conference{GM-ssap00,
  author	= {G. Matz and F. Hlawatsch},
  title		= {Time-frequency coherence analysis of nonstationary random processes},
  booktitle	= {Proc. IEEE-SP Workshop on Statistical Signal and Array Proc.},
  year		= {2000},
  month		= {Aug.},
  address	= {Pocono Manor, PA},
  pages		= {554--558}
}