Hauck, W. W. <br/><br/>
Foundations for estimation by the method of least squares/ 
W. W. Hauck. 
 - [1st ed.] 
 - Cambridge, Mass.:  Smithsonian Inst.,  1971. 
 - 92 p. 
<br/><br/><label>Dewey Class. No.: </label>519.2  / H368f