Glasgal, Ralph,  1932-. <br/><br/>
Techniques in data communications / 
Ralph Glasgal. 
 - Dedham, Mass. :  Artech House,  1983. 
 - 209 p. :  ill. ;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission system.