Griesinger, Frank Kern <br/><br/>
How to cut costs and improve service of your telephone telex twx and other telecommunications 
Frank kern Griesinger 
 - New York:  McGraw-Hill,  1974. 
 - 310p.  . 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0070247609 
<br/><br/><label>Subjects--Topical Terms: </label><br/>telephone-Economic aspects<br/>Telecommunication- Economic aspects
<br/><br/><label>Dewey Class. No.: </label>621.385  / GRH