Grauer, Robert T. <br/><br/>
The COBOL environment / 
Robert T. Grauer, Marshal A. Crawford 
 - New York :  Prentice-Hall,  1979 
 - xv, 464 p. :  ill. ;  25 cm. 
 - Prentice-Hall software series .
<br/><br/><label>ISBN: </label>0131393944 
<br/><br/><label>LCCN: </label>78-025631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language)