Beil, Donald H. <br/><br/>
File processing with COBOL :  with two major case studies / 
Donald H. Beil 
 - Virginia :  Prentice-Hall,  1981 
 - vi, 345 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0835919854 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language)<br/>File organization (Computer science)