Systems engineering using SDL-92 / 
by Anders Olsen ... [et al.]. 
 - Amsterdam :  Elsevier North-Holland,  1994. 
 - 479 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0444898727  RM403.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--Switching systems--Design and construction--Data processing.<br/>SDL (Computer program language).<br/>Systems engineering--Data processing.