matplotlib Code

@book{BendatPiersol1986,
 author   = {Bendat, Julius S. and Piersol, Allan G.},
 address  = {New York},
 publisher = {John Wiley \& Sons},
 title    = {Random Data: {Analysis} and Measurement Procedures},
 year     = 1986,
}


@Book{Weisstein2002,
  author =	 {Weisstein, Eric W.},
  title = 	 {CRC Concise Encyclopedia of Mathematics},
  publisher = 	 {Chapman \& Hall/CRC},
  year = 	 2002,
  edition =	 {Second Edition}
}