Goldberg, Samuel <br/><br/>
Introduction to difference equations :  with illustrative examples from economics, psychology, and sociology / 
Samuel Goldberg. 
 - New York :  John Wiley,  c1958. 
 - xii, 260 p. ;  ill. ;  21 cm. 
<br/><br/>Includes bibliography. 
<br/><br/>
<br/><br/><label>ISBN: </label>9780471310518 0471310514 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Difference equations. Social sciences<br/>Mathematical models.
<br/><br/><label>LC Class. No.: </label>QA431  / .G65 1958 
<br/><br/><label>Dewey Class. No.: </label>515.625  / G618i