Sexton, Conor <br/><br/>
Beyond the mainframe :  a guide to open computer systems / 
Conor Sexton 
 - Oxford :  Butterworth-Heinemann,  1995 
 - xiii, 305 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0750619023  RM101.30 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer networks<br/>Computer network protocols<br/>Data transmission system