@article{38356,
  author       = {{Noé, Reinhold}},
  issn         = {{1434-8411}},
  journal      = {{AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS}},
  number       = {{2}},
  pages        = {{135--139}},
  title        = {{{kT/C noise: Covariance matrix calculation of instationary noise in time-varying systems}}},
  doi          = {{10.1078/1434-8411-00020}},
  volume       = {{55}},
  year         = {{2001}},
}

@article{38306,
  author       = {{Noé, Reinhold}},
  issn         = {{1434-8411}},
  journal      = {{AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS}},
  number       = {{2}},
  pages        = {{135--139}},
  title        = {{{kT/C noise: Covariance matrix calculation of instationary noise in time-varying systems}}},
  doi          = {{10.1078/1434-8411-00020}},
  volume       = {{55}},
  year         = {{2001}},
}