Herweg, Godfrey W. <br/><br/>
Radio's niche marketing revolution  futuresell 
Godfrey W. Herweg and Ashley Page Herweg 
 - Boston:  Focal Press,  1997. 
 - xiii, 274p 
<br/><br/> Includes bibliography references and index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0240802020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Market segmentation-United states
<br/><br/><label>Dewey Class. No.: </label>659.142  / HER