Grauer, Robert T., <br/><br/>
The COBOL environment / 
Robert T. Grauer, Marshal A. Crawford. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1979. 
 - xv, 464 p. : 
 - Prentice-Hall software series .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0131393944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COBOL (Computer program language).
<br/><br/><label>Dewey Class. No.: </label>005.1  / Co