Wolpert,Samuel <br/><br/>
Economics of information 
/ Samuel A.Wolpert,..,Joyce Friedman Wolpert 
. - New york  : Van Nostrand Reinhold company, 1986
. - xii-180 p.  ; 24 cm. 
<br/><br/>Bibliogr,index 
<br/><br/><label>ISBN: </label>0442293712 
<br/><br/><label>Source: </label> don 
<br/><br/><label>Universal Decimal Class. No.: </label>384.