Koopmans, L.H <br/><br/>
Spectral analysis of time series 
L.H. Koopmans 
 - New York  Academic Press  1974 
 - xiv  366 
 - Probability & mathematical statistics 22 .
<br/><br/><label>ISBN: </label>0124192505 
<br/><br/><label>Dewey Class. No.: </label>519.5  / KOO