Computer and communication :  value-added services / 
eds. by N. Seshagiri, Jean Salmona 
 - New Delhi :  Tata McGraw-Hill Education,  1991 
 - xi, 332 p. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer network protocols
<br/><br/><label>Dewey Class. No.: </label>004.678