Barlay, Stephen <br/><br/>
The secrets business / 
by Stephen Barlay. 
 - New York :  Thomas Y. Crowell Company,  1974. 
 - viii, 344 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0690002904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business intelligence<br/>Espionnage industriel