Welsh, Jim. <br/><br/>
Structured system programming   
by Jim Welsh, Michael McKeag 
 - New Jersey  Prentice-Hall International  1980 
 - xii, 324p. 
 - Prentice-Hall International series in computer science .
<br/><br/><label>ISBN: </label>0138545626 
<br/><br/><label>Dewey Class. No.: </label>001.642  / N8020