Katzenstein, Herbert <br/><br/>
Direct marketing / 
Herbert Katzenstein, William S. Sachs 
 - Columbus, Ohio :  Charles E. Merrill,  1986 
 - 466 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0675203058 
<br/><br/><label>LCCN: </label>85-63007 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Direct marketing