@article{ Frostig_Frostig87,
  author = {Frostig, Z. and Frostig, R.D.},
  title = {Analysis of frequency components in time series data},
  journal = {J. Neurosci. Meth.},
  year = {1987},
  volume = {22},
  pages = {79-87},
  en_number = { },
  keywords = {Amplitude, period, spectral analysis, time series,}
}