Henshall, John. <br/><br/>
OSI explained  end to end computer communication standards 
by John Henshall, Sandy Shaw. 
 - Chichester  Ellis Horwood  1988 
<br/><br/><label>ISBN: </label>0745802532 
<br/><br/><label>Dewey Class. No.: </label>001.64404  / N8817;1