Lipsey, Richard G. <br/><br/>
An introduction to positive economics / 
Richard G. Lipsey. 
 - 7th. 
 - London :  Elbs,  1963. 
 - 808 p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0297795562 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics.<br/>Economics.