Wallis, Kenneth Frank, <br/><br/>
Introductory econometrics / 
by Kenneth F. Wallis. 
 - revised ed. 
 - London :  Gray-Mills,  1973. 
 - 124 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0856410039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econometrics.