CCITT <br/><br/>
BLUE BOOK,VOLUME X,FASCICLE X.1: FUNCTIONAL SPECIFICATION AND DESCRIPTION LANGUAGE (SDL) CRITERIA FOR 

 - GENEVA  ITU  1989 
 -  329 
<br/><br/> SC-021 
<br/><br/><label>ISBN: </label>ERNET 
<br/><br/><label>Dewey Class. No.: </label>335