Walters  <br/><br/>
An Introduction to Econometrics 
A.A Walters 
 - London:  Macmillan And Co LTD.  1968. 
 - 377p. 
<br/><br/><label>ISBN: </label>333088484 
<br/><br/><label>Dewey Class. No.: </label>332.54  / WAL/A