DeVita, Joseph, <br/><br/>
The database experts' guide to FOCUS / 
Joseph DeVita. 
 - xii, 410 pages :  illustrations ;  24 cm. 
 - The database experts' series .
 - McGraw-Hill computing that works .
 - Computing that works. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070166048 (pbk.) 
<br/><br/><label>LCCN: </label>88080273  
<br/><br/><label>Subjects--Topical Terms: </label><br/>FOCUS (Computer program language)<br/>Database management.
<br/><br/><label>LC Class. No.: </label>QA76.73.F23  / D48 1988 
<br/><br/><label>Dewey Class. No.: </label>005.13/3