Grauer, Robert T. <br/><br/>
The IBM cobol environment / 
Robert T. Grauer. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1984. 
 - 388 p. ;  24cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IBM computers--Programming.<br/>COBOL (Computer program language).