Welburn, Tyler. <br/><br/>
Structured COBOL  fundamentals and style 
Tyler Welburn. 
 - 1st ed. 
 - Palo Alto, Calif.  [S.l.]  Mayfield Pub. Co.  Mitchell Pub.  1981. 
 - xv, 534 p.  ill.  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0874845432 (pbk.) 
<br/><br/><label>LCCN: </label>80084013 //r86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL Computer program language<br/>Structured programming
<br/><br/><label>LC Class. No.: </label>QA76.73.C25  / W44 
<br/><br/><label>Dewey Class. No.: </label>005.13/3