Keith G Knightson <br/><br/>
OSI Protocol Conformance testing IS 9646 Explained 

 - 
 -  McGraw-Hill  1993 
 - 238 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-07-035134-1 
<br/><br/><label>Dewey Class. No.: </label>004.728