Shay, William A. <br/><br/>
Understanding data communications and networks / 
By William A Shay. 
 - 2nd ed. 
 - New Delhi :  Vikas Publishing House Pvt  Ltd ,  1999. 
 - xx,711p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9789812400505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transmission fundamentals<br/>Data security and integrity<br/>Additional network protocols
<br/><br/><label>Dewey Class. No.: </label>004.65   / SHAW