@article{Sienkowski:2013,
  author  = "S. Sienkowski and E. Kawecka and P. Mróz",
  title   = "Determining autocorrelation function values from six sinusoidal signal samples",
  journal = "Przegląd Elektrotechniczny",
  number  = "nr 11",
  pages   = "118--120",
  year    = "2013",
}