Lipsey,Richard and Chrystal K.Alec <br/><br/>
Lipsey+Christal 

 - New York  Oxford university press  1999 
 - 567p. 
<br/><br/><label>ISBN: </label>0 19 877639 X 
<br/><br/><label>Dewey Class. No.: </label>330.1    Lip.N9