Belsley, David A. <br/><br/>
Regression diagnostics; identifying influential data and sources of collinearity / 

 - New York:  John Wiley,  1980 
 - xv, 292p. Index, Bibl. 
 - Wiley series in Probability and Mathematical Statistics .
<br/><br/><label>ISBN: </label>9780471058564 
<br/><br/><label>Dewey Class. No.: </label>519.536  / B452.RD