Paul Henkart, phenkart@phenkart@gmail.com
Alistair Harding, Graham Kent, Dan Lizaralde,
John Hopper, Tom O'Brien, Mark Wiederspahn,
Mary Kappus, John Shay, Rudolf Widmer-Schnidrig,
Warren Wood, David Hale, Mladen Nedimovic,
Kurt Schwehr

Some routines from books:
Robinson: "Multichannel Time Series"
Oppenheim and Schafer: "Digital Signal Processing"
Press et al:"Numerical Recipes"