Lipsey, Richard G.  1928- <br/><br/>
An introduction to positive economics / 
Richard G. Lipsey. 
 - 5th ed. 
 - London:   Weidenfeld and Nicolson,   [1979].  
 - xxii, 810 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0297775987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330.1