Katzenstein, Herbert. <br/><br/>
Direct marketing 
Herbert Katzenstein, William S. Sachs. 
 - Columbus  C.E. Merrill Pub. Co.  c1986. 
 - xiii, 466 p.  ill.  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0675203058 
<br/><br/><label>LCCN: </label>85063007  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Direct marketing
<br/><br/><label>LC Class. No.: </label>HF5415.126  / .K38 1986 
<br/><br/><label>Dewey Class. No.: </label>658.8/4