Mitchell, Bridger M., <br/><br/>
A framework for considering local measured service / 
Bridger M. Mitchell   
 - 12 pages ;  28 cm. 
 - The Rand paper series;  P-6992 .
 - The Rand paper series;  P-6992  .
<br/><br/>Includes bibliographical references: page 12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone--Rates--United States.