Willmott, Robert. <br/><br/>
Technical guide to the OSI directory / 
R. Willmott and D.W. Chadwick. 
 - Manchester :  NCC Blackwell,  1993. 
 - 56 p. :  ill. ;  25 cm. 
 - Open systems guides .
<br/><br/> Cover title: OSI directory. 
<br/><br/>Bibliography: p51. 
<br/><br/><label>ISBN: </label>1855541890 (pbk.) 
<br/><br/><label>Subjects--Index Terms: </label>Communication  Use of  Computers