Mitchell, Bridger M. <br/><br/>
Telecommunications Pricing : Theory and Practice /  
Bridger M.Mitchell and Ingo Vogelsang 
 - New York :   Cambridge University Press,  c1991. 
 - xv,307p. 
<br/><br/><label>ISBN: </label>9780521426787 
<br/><br/><label>Dewey Class. No.: </label>384.6  / MitT