CYPSER,R.J <br/><br/>
COMMUNICATIONS FOR COOPERATING SYSTEMS: OSI,SNA AND TCP/IP 

 - MASSACHUSETTS  AW  1991 
 -  743 
<br/><br/> BR-531 
<br/><br/><label>ISBN: </label>ERNET  77.95 
<br/><br/><label>Dewey Class. No.: </label>356